Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi sat nhan snippets" » "doi hat nhan snippets", "doi sat phan snippets", "doi ca nhan snippets", "doi tat nhan snippets", "doi hoat nhan snippets", "doi phat nhan snippets", "doi sat nhan 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 sat nhan 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 sat nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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