Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van cho hang snippets" » "van cho thanh snippets", "van cho phan snippets", "van thi hang snippets", "van chi hang snippets", "san cho hang snippets", "van chat hang snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("van cho hang snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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