Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi tin cac snippets" » "chi tin code snippets", "chi tien cac snippets", "cho tin cac snippets", "chai tinh cac snippets", "chi ton cac snippets", "chi tinh cach snippets", "chi trinh 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: (((("chi tin cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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