Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bang cau dat slippers" » "hang cau dat slippers", "bang cac dat slippers", "nang cao dat slippers", "bang cai dat slippers", "bang cau hat slippers", "bang chap dat slippers", "bang cau dat slippery", "bang cau 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: (((("bang cau dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bang cau dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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