Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lua ba trung snippets" » "lua tai trung snippets", "lua nam trung snippets", "lua do trung snippets", "cua ba trung snippets", "lua va trung snippets", "luat bao trung snippets", "lua ba trung 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: (((("lua ba trung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua ba trung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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