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
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
khang cap » khan cap, hang ca, hang cau
cong san » cong tac
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho hieu) or (doi 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: ((ho hieu) OR (doi chieu)) lang - thanh trung cua thong cong san ((khang cap) OR (khang chan)).
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) or (doi chieu)) lang - thanh trung cua thong cong san ((khang cap) or (khang chan))*.