Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung toan cau snippets" » "dung toan code snippets", "dung doanh cau snippets", "dung thang cau snippets", "dung thanh cau snippets", "dung toan cao snippets", "dung toan ban snippets", "dung toan tap snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung toan cau snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung toan cau snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
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