Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dat hoc khoi snippets" » "dat hoc khoa snippets", "dat hoc hoa snippets", "dat hoc noi snippets", "dai hoc khoi snippets", "vat hoc khoi snippets", "dan hoc khoi snippets", "dat hoc khoi 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: (((("dat hoc khoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat hoc khoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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