Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
khang chan » khang chien, quang chan
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
khang cap » khan cap, hang ca, hang cau
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
co hieu » cao hieu, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co hieu) or (ho chieu)) lang - thanh trung cua thong cong san ((khang cap) or (khang chan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co hieu) OR (ho chieu)) lang - thanh trung cua thong cong san ((khang cap) OR (khang chan)).
• Adding a wildcard symbol may retrieve word variants: ((co hieu) or (ho chieu)) lang - thanh trung cua thong cong san ((khang cap) or (khang chan))*.