Perhaps you should try some spelling variations:
khan nhanh » nhan nhanh, khao nhanh, khoan thanh
hoc thieu » hoc hien
cach dang » cach mang, cac dang, cach dung
dung cong » dung trong
cong khan » cong khanh, cong nhan, cong phan
nhanh bac » nhanh ha, nhanh va
dang van » hoang van, hang va
van dung » van dong, xay dung, tin dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) manh - cach dang van dung cong khan nhanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) manh - cach dang van dung cong khan nhanh bac.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) manh - cach dang van dung cong khan nhanh bac*.