Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc sach xa slippers" » "hoc sach xa slippers", "doc sach xa slippers", "thuoc sach xa slippers", "toc sach dao slippers", "toc sach nha slippers", "toc sach bai slippers", "toc sach xa slippery", "toc sach xa 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: (((("toc sach xa slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc sach xa slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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