Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"ban nam phuc snippets" » "ban nam thuc snippets", "ban nam thuoc snippets", "ban nang phuc snippets", "van nam phuc snippets", "dan nam phuc snippets", "ban ham phuc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban nam phuc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban nam phuc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
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