Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam hoc khoi snippets" » "lam hoc khoa snippets", "lam hoc hoa snippets", "lam hoc noi snippets", "am hoc khoi snippets", "lam hoa khoi snippets", "tam hoc khoi snippets", "lam hoc khoi 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: (((("lam hoc khoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam hoc khoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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