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