Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, thi hien
trung pha » trung phan, trung phat, trung ha
pha nhung » phai nhuong, tham nhung, phan chung
cong san » cong tac
than cao » toan cao, thai cao, than cap
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: ((thi chieu) or (theo chieu)) tinh - thanh trung pha nhung cong san ((than cao) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo chieu)) tinh - thanh trung pha nhung cong san ((than cao) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo chieu)) tinh - thanh trung pha nhung cong san ((than cao) or (khan cap))*.