Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"xuat dat toc snippets" » "xuat dat code snippets", "luat dat toc snippets", "tuat dat toc snippets", "xuat vat toc snippets", "xuat dan toc snippets", "xuat dat doc snippets", "xuat dat nuoc 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: (((("xuat dat toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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