Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dinh ly tran snippets" » "sinh ly tran snippets", "dinh le tran snippets", "trinh ly tran snippets", "dinh ly toan snippets", "dinh ly trong snippets", "dinh huy tran snippets", "dinh ly tran slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dinh ly tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh ly tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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