Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi nhat anh snippets" » "moi nhat anh snippets", "do nhat anh snippets", "dai nhat anh snippets", "doi nhat hanh snippets", "doi nhat minh snippets", "doi nhat ban snippets", "doi nhat anh 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: (((("doi nhat anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi nhat anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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