Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"de thoi dat slippers" » "de thoi dai slippers", "de hoi dat slippers", "de thoi dao slippers", "de thi dat slippers", "ve thoi dat slippers", "do thoi dat slippers", "de thoi dat slippery", "de thoi 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: (((("python using java snippets") or ("de thoi dat slippers"))) or ("locating bug code snippets"))~.
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