Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi nhan vat slippers" » "tri nhan vat slippers", "thi than vat slippers", "thi ngan vat slippers", "thi nhan va slippers", "thi nhan tai slippers", "thi nhan dan slippers", "thi nhan vat slippery", "thi nhan vat grippers"
"locating bug code snippets" » "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: (((("python using java snippets") or ("thi nhan vat slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi nhan vat slippers"))) OR ("locating bug code snippets")).
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