Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi van man slippers" » "thi lan man slippers", "thi hanh man slippers", "thi nang man slippers", "thi van manh slippers", "thi van ban slippers", "thi van han slippers", "thi van man slippery", "thi van man 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: (((("python using java snippets") or ("thi van man slippers"))) or ("locating bug code snippets"))~.
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