Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu den tran slippers" » "chu den tuan slippers", "chu den thanh slippers", "chu dang tran slippers", "chu de tran slippers", "cau den tran slippers", "chua dien tran slippers", "chu den tran slippery", "chu den tran 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 ("chu den tran slippers"))) or ("locating bug code snippets"))~.
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