Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lua hoc tieu snippets" » "lua hoc thieu snippets", "lua hoc dieu snippets", "lua hoc sieu snippets", "luan hoc tieu snippets", "luc hoc tieu snippets", "cua hoc tieu snippets", "lua hoc tieu 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 hoc tieu 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 hoc tieu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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