Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"shan thu tin snippets" » "san thu tin snippets", "nhan thuc tin snippets", "khanh thu tin snippets", "shan thuc tin snippets", "shan tu tin snippets", "shan thu hien snippets", "shan thu tin 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: (((("shan thu tin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("shan thu tin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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