Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dat hoc hien snippets" » "dai hoc hien snippets", "vat hoc hien snippets", "dan hoc hien snippets", "dat hoc bien snippets", "dat hoc vien snippets", "dat hoc hieu snippets", "dat hoc hien 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 hien 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 hien snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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