Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thong cua 26 slippers" » "thong quan 26 slippers", "thong tu 26 slippers", "huong cua 26 slippers", "thong cua 20 slippers", "thong cua 25 slippers", "thong cua 26 slippery", "thong cua 26 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: (((("thong cua 26 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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