Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tro hoi han snippets" » "tro choi han snippets", "tao hoi han snippets", "tri hoi han snippets", "tro hoi phan snippets", "tro hoi dan snippets", "tro hoa han snippets", "tro hoi 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: (((("tro hoi 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: (((("tro hoi han snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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