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