Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho dung dat slippers" » "khoa dung dat slippers", "khao dung dat slippers", "kha dung dat slippers", "kho dung va slippers", "kho dung tai slippers", "kho dung dat slippery", "kho dung dat 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: (((("kho dung dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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