Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lua va khanh snippets" » "lua van khanh snippets", "lua va thanh snippets", "lua vu khanh snippets", "luan va khanh snippets", "luat va khanh snippets", "vua va khanh snippets", "lua va khanh 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 va khanh 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 va khanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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