Perhaps you should try some spelling variations:
cuong bien » luong dien, hung bien, duong vien
theo chieu » ho chieu, theo chu, thi chieu
hang cong » dang cong, hang nong, bang cong
dac cuong » dai cuong, duc cuong, dao cuong
cong dac » cong tac, cong dan, cong cac
anh ban » anh bang, anh bai, anh van
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) tinh - anh ban va hang cong dac cuong bien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) tinh - anh ban va hang cong dac cuong bien*.