Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khan dam lam snippets" » "thanh dam lam snippets", "chang dam lam snippets", "khanh nam lam snippets", "khan da lam snippets", "khan dam lan snippets", "khan dao lam snippets", "khan dam lam 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: (((("khan dam lam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khan dam lam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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