Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan duc deu snippets" » "phan duc code snippets", "pham duc deu snippets", "phan tu deu snippets", "phan dau deu snippets", "phan duc dien snippets", "phan duc hieu snippets", "phan dung deu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan duc deu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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