Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"den trinh co snippets" » "den trinh code snippets", "den tinh co snippets", "dan trinh co snippets", "tien trinh co snippets", "den trinh do snippets", "den trinh cong snippets", "den trinh hoa 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: (((("den trinh co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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