Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cho thi tran snippets" » "cho thi trang snippets", "cho thi thanh snippets", "cho thi lan snippets", "cao thi tran snippets", "chu thi tran snippets", "chi thi tran snippets"

Try widening your search to All Fields.

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