Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh da 15 slippers" » "trinh dan 15 slippers", "trinh dao 15 slippers", "trinh do 15 slippers", "trinh a 15 slippers", "trinh da 11 slippers", "trinh da 5 slippers", "trinh da 15 slippery", "trinh da 15 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 ("trinh da 15 slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("trinh da 15 slippers"))) OR ("locating bug code snippets")).
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