Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"than tran do snippets" » "than tran code snippets", "thanh tran do snippets", "thoan tran do snippets", "tan tran do snippets", "than trang do snippets", "than toan do snippets", "than tuan do 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: (((("than tran do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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