Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan viet hoc snippets" » "dan viet code snippets", "danh viet hoc snippets", "san viet hoc snippets", "dao viet hoc snippets", "dan viet goc snippets", "dan triet hoc snippets", "dan nhiet 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: (((("dan viet hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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