To find plagiarism in content, you can use the following methods and tools:

1. Manual Review: Read through the content carefully and compare it to your original sources or other relevant materials. Look for any instances where the wording, sentence structure, or ideas appear to be copied without proper attribution.

2. Online Plagiarism Checkers: There are several online plagiarism checker tools available that can scan your content and compare it against a vast database of published works. Some popular options include Grammarly, Copyscape, and Turnitin. Simply copy and paste your content into these tools, and they will highlight any matching or similar content found elsewhere on the internet.

3. Citation and Reference Check: Ensure that all sources used in your content are properly cited and referenced. Cross-check the citations against the original sources to confirm their accuracy. Improper or missing citations can also be considered plagiarism.

4. Google Search: Conduct a Google search using snippets or unique phrases from your content. This can help identify if any other websites or sources have published similar content. Enclose the text in quotation marks to search for exact matches.

5. Text Comparison Tools: Utilize text comparison tools like DiffChecker or Copyleaks that allow you to compare two pieces of text side by side. This can be useful for comparing your content with sources or previously published work to identify similarities.

6. Plagiarism Detection Software: Consider using plagiarism detection software, such as Turnitin or iThenticate, especially if you are an educational institution or have large-scale content production. These tools are designed specifically for detecting plagiarism and generating detailed reports.

7. Self-Plagiarism Check: If you have previously published content, ensure that you are not reusing significant portions of it without proper acknowledgment or permission. Self-plagiarism occurs when you present your own previously published work as new or original.

Remember, plagiarism detection tools can provide a helpful initial assessment, but it’s important to review the results carefully and use your judgment. Not all matches found by these tools indicate intentional plagiarism, as some content may be common knowledge or include properly cited quotations. Always strive for originality and properly attribute any borrowed ideas or content to their rightful sources.