Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang ho cau snippets" » "tang ho code snippets", "tang cho cau snippets", "tung ho cau snippets", "tang ha cau snippets", "tang hoc cau snippets", "tang hoa cau snippets", "tang hoi cau 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: (((("tang ho cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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