Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoi he anh snippets" » "khoa he anh snippets", "khoi de anh snippets", "khong he anh snippets", "khoi le anh snippets", "khoi ha anh snippets", "khoi ho anh snippets", "khoi he anh 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: (((("khoi he anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi he anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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