Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh co ke snippets" » "trinh co code snippets", "trinh do ke snippets", "trinh cong ke snippets", "trinh hoa ke snippets", "trinh co kem snippets", "trinh co ket snippets", "trinh cho ke 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: (((("trinh co ke snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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