Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thi tran tap snippets" » "thi trang tap snippets", "thi thanh tap snippets", "thi lan tap snippets", "thi toan tap snippets", "thi tran tan snippets", "thi tran tuan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thi tran tap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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