Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cuon vi viec snippets" » "chon vi viec snippets", "cuong vo viec snippets", "cuong ve viec snippets", "cuon voi viec snippets", "cuon va viec snippets", "cuon ve viec snippets", "cuon vi viec 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: (((("cuon vi viec snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon vi viec snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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