Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran anh vu slippers" » "tran manh vu slippers", "tuan anh vu slippers", "tran thanh vu slippers", "tran hanh vu slippers", "tran anh tu slippers", "tran anh va slippers", "tran anh vu slippery", "tran anh vu 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: (((("tran anh vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran anh vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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