Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi cao dung snippets" » "voi cao dang snippets", "voi cao dong snippets", "voi cap dung snippets", "voi cac dung snippets", "voi can dung snippets", "voi cay dung snippets", "voi cao dung 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: (((("voi cao dung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi cao dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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