Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi hoc hang snippets" » "doi hoc hanh snippets", "doi hoc bang snippets", "doi hoc han snippets", "doi hoac hang snippets", "dai hoc hang snippets", "hoi hoc hang snippets", "doi hoc 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: (((("doi hoc hang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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