Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi tac khoi snippets" » "thi cac khoi snippets", "thi tao khoi snippets", "thi tai khoi snippets", "thi tam khoi snippets", "thi thao khoi snippets", "thi tran khoi snippets", "thi tac 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: (((("thi tac 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: (((("thi tac khoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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