Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hap hat nhan snippets" » "hap ca nhan snippets", "hap van nhan snippets", "hap ban nhan snippets", "phap phat nhan snippets", "phap chat nhan snippets", "phap han nhan snippets", "hap hat 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: (((("hap hat 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: (((("hap hat nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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