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 ham snippets" » "thi trang ham snippets", "thi thanh ham snippets", "thi lan ham snippets", "thi tran hai snippets", "thi toan ham snippets", "thi tran dam snippets"

Try widening your search to All Fields.

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