Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuan thu lua slippers" » "xuan thuy lua slippers", "tuan thu lua slippers", "luan thuc lua slippers", "xuan thu cua slippers", "xuan thu luu slippers", "xuan thue luat slippers", "xuan thu lua slippery", "xuan thu lua 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 ("xuan thu lua slippers"))) or ("locating bug code snippets"))~.
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