Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"mai dung anh snippets" » "mai hung anh snippets", "mai huong anh snippets", "manh dung anh snippets", "mai dung danh snippets", "mai duong anh snippets", "mai dong anh snippets", "mai dung anh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("mai dung anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mai dung anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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