Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
thanh lap » thanh san, phan lap, thanh hai
ho chieu » hoc thieu, doi chieu, mot chieu
cong tac » cong ty
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) tinh - thanh trung cua nhung cong tac ((khan cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - thanh trung cua nhung cong tac ((khan cap) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) tinh - thanh trung cua nhung cong tac ((khan cap) or (thanh lap))*".