Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ten cho phan snippets" » "ten co phan snippets", "ten hoc phan snippets", "ten hoa phan snippets", "nen cho phan snippets", "ton cho phan snippets", "ben cho phan snippets", "ten cho phan 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: (((("ten cho phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ten cho phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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