Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam mat nhan snippets" » "lam hat nhan snippets", "lam sat nhan snippets", "lam mat nha snippets", "ham mat nhan snippets", "lam dat nhan snippets", "cham mat nhan snippets", "lam mat 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 mat 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 mat nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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