Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"gap doi hang snippets" » "gap doi khang snippets", "gap voi hang snippets", "gap doi hanh snippets", "lap doi hang snippets", "gap do hang snippets", "gap phoi hang snippets", "gap doi hang 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: (((("gap doi hang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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