Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"manh hoc khi snippets" » "anh hoc khi snippets", "manh ho khi snippets", "manh hon khi snippets", "manh hoc khoi snippets", "manh hoc khia snippets", "manh hoc ki snippets", "manh hoc khi 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: (((("manh hoc khi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh hoc khi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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