Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu voi ngan snippets" » "thu voi nganh snippets", "thu von ngan snippets", "thu doi ngan snippets", "thu hoi ngan snippets", "thu moi ngan snippets", "thu vi ngan snippets", "thu voi ngan 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: (((("thu voi ngan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu voi ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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