Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi kiem cac snippets" » "thi kiem code snippets", "thi kim cac snippets", "thi lien cac snippets", "thi hien cac snippets", "thi vien cac snippets", "thi diem cau snippets", "thi hieu 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 kiem cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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