Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tra cau chiu snippets" » "tra cau code snippets", "tra cau chu snippets", "tra cau thi snippets", "tra cau khau snippets", "tra sau chiu snippets", "ta cau chiu snippets", "tra cuu chiu 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: (((("tra cau chiu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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