Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao dinh cau snippets" » "dao dinh code snippets", "do dinh cau snippets", "dao minh cau snippets", "dao tinh cau snippets", "dao dinh chau snippets", "dao dinh cuu snippets", "dao dinh cu 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: (((("dao dinh cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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