Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"viet doi dac snippets" » "viet duoi dac snippets", "viet voi dac snippets", "nhiet doi dac snippets", "viet doi dau snippets", "viet doi tac snippets", "viet dai dac snippets", "viet doi dac 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: (((("viet doi dac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet doi dac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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