Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh he hoa snippets" » "trinh he code snippets", "trinh han hoa snippets", "trinh hoa hoa snippets", "trinh ky hoa snippets", "trinh ha hoa snippets", "trinh he ho snippets", "trinh ve 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: (((("trinh he hoa snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh he hoa snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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