Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan trinh he snippets" » "dan trinh code snippets", "dan tinh he snippets", "van trinh he snippets", "hanh trinh he snippets", "dan trinh han snippets", "dan trinh hoa snippets", "dan trinh ky 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 trinh he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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