Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh hoi uc slippers" » "trinh hoa uc slippers", "trinh do uc slippers", "trinh han uc slippers", "trinh hoi suc slippers", "trinh hoi chuc slippers", "trinh hoi uc slippery", "trinh hoi uc 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: (((("trinh hoi uc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh hoi uc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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