Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc doi nhom snippets" » "hoc voi nhom snippets", "hoc doi nam snippets", "hoc doi nhan snippets", "hoc dai nhom snippets", "hoc noi nhom snippets", "hoc moi nhom snippets", "hoc doi nhom 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: (((("hoc doi nhom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc doi nhom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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