Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan cau chiu snippets" » "dan cau code snippets", "dan cau chu snippets", "dan cau thi snippets", "dan cau khau snippets", "danh cau chiu snippets", "dan ca chiu snippets", "dat cau 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: (((("dan cau chiu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan cau chiu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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