Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa than vi snippets" » "khoa luan vi snippets", "hoa thai vi snippets", "hoa tan vi snippets", "khoa than voi snippets", "khoa than va snippets", "khoa than vo snippets", "khoa than vi 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: (((("khoa than vi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa than vi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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