Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ma tran dung snippets" » "ma tran dang snippets", "ma tran hung snippets", "ma tran quang snippets", "ha tran dung snippets", "m tran dung snippets", "tan tran dung snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("ma tran dung snippets"))) or ("locating bug core snippets"))~.
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