Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ban tran tro snippets" » "ban trang tro snippets", "tan tran tro snippets", "ban than tro snippets", "ban tran troi snippets", "ban tran tri snippets", "ban tran trong 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 ("ban tran tro snippets"))) or ("locating bug core snippets"))~.
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