Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phau hoc han snippets" » "phap hoc han snippets", "thai hoc han snippets", "nha hoc han snippets", "phau hoc phan snippets", "phau hoc hanh snippets", "phau hoc chan snippets", "phau hoc han 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: (((("phau hoc han snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phau hoc han snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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