Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho can dang slippers" » "cho chan dang slippers", "cho cao dang slippers", "cho cac dang slippers", "cho phan dang slippers", "cho cong dang slippers", "cho can dang slippery", "cho can dang 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 ("cho can dang slippers"))) or ("locating bug code snippets"))~.
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