Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi phap cac snippets" » "thi phap code snippets", "theo phap cac snippets", "thi hai cac snippets", "thi ha cac snippets", "thi phap cach snippets", "thi phan cac snippets", "thi pha cac 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: (((("thi phap cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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