Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trac dan hoc snippets" » "trac dan code snippets", "truc dan hoc snippets", "tran dang hoc snippets", "tran danh hoc snippets", "trac van hoc snippets", "trac dan toc snippets", "trac dai hoc 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: (((("trac dan hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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