Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
ho chiet » ho chieu, ho thiet, hoc thiet
cong ban » cong bang, cong san, cong tan
hang cau » hang dau, hang ca, nhung cau
hang tai » hang va, dung tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh trung cua thong cong ban ((hang cau) or (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh trung cua thong cong ban ((hang cau) OR (hang tai)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh trung cua thong cong ban ((hang cau) or (hang tai))*.