Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi can tao snippets" » "voi cac tao snippets", "voi cong tao snippets", "voi hang tao snippets", "voi cau tao snippets", "voi can tho snippets", "voi cai tao snippets", "voi can tao 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: (((("voi can tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi can tao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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