Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan ba dot snippets" » "phan bo dot snippets", "phan dau dot snippets", "phan lap dot snippets", "phan ba don snippets", "phan va dot snippets", "phan da dot snippets"

Try widening your search to All Fields.

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