Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"cho va tro snippets" » "cho vay tro snippets", "choi va tro snippets", "chon va tro snippets", "cho vai tro snippets", "cho va tre snippets", "cho va tro slippers"

Try widening your search to All Fields.

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