Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat tiep doi snippets" » "dat tiep code snippets", "dat tieu doi snippets", "dat tien doi snippets", "dat thien doi snippets", "dat tiep do snippets", "dat tiep noi snippets", "dat tiep thi 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: (((("dat tiep doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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