Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao hoan can snippets" » "dao hoan code snippets", "dao doanh can snippets", "vao hoang can snippets", "do hoa can snippets", "dao toan can snippets", "dao hoang van snippets", "dao hoang cao 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 hoan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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