Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lon luc nhan snippets" » "lon luc nhat snippets", "lon cu nhan snippets", "lon tue nhan snippets", "lon suc nhan snippets", "dong luc nhan snippets", "long cuc nhan snippets", "lon luc 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: (((("lon luc 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: (((("lon luc nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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