Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phong mo bat snippets" » "phong so bat snippets", "thong mo bat snippets", "phong cho bat snippets", "phong moi bat snippets", "phong mo bai snippets", "phong mo ban snippets", "phong mo bat 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: (((("phong mo bat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong mo bat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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