Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tri van nham snippets" » "tri van nam snippets", "tri van nhan snippets", "tri van tham snippets", "thi van nham snippets", "tri va nham snippets", "trinh van nham snippets", "tri van nham 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: (((("python using java snippets") or ("tri van nham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tri van nham snippets"))) OR ("locating bug code snippets")).
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