Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc tam nhan snippets" » "hoc tam than snippets", "hoc cam nhan snippets", "hoc tao nhan snippets", "hoc tap nhan snippets", "hoc lam nhan snippets", "hoc nam nhan snippets", "hoc tam nhan 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 tam nhan 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 tam nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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