Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"mau man tinh snippets" » "mau may tinh snippets", "mau ban tinh snippets", "mau quan tinh snippets", "mau han tinh snippets", "mau ma tinh snippets", "mau van tinh snippets", "mau man tinh 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: (((("python using java snippets") or ("mau man tinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("mau man tinh snippets"))) OR ("locating bug code snippets")).
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