Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung tam, tran tuan, truong thanh
tong cong » trong cong, cong cong, dung cong
tac thanh » bac thanh, cac thanh, tcc thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong tac » cong ty
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((trieu tinh) or (chieu sach)) - thanh ((trung tuan) OR (trung thanh)) tong cong tac thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((trieu tinh) OR (chieu sach)) - thanh ((trung tuan) OR (trung thanh)) tong cong tac thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((trieu tinh) or (chieu sach)) - thanh ((trung tuan) OR (trung thanh)) tong cong tac thanh cau".
• Adding a wildcard symbol may retrieve word variants: doi ((trieu tinh) or (chieu sach)) - thanh ((trung tuan) OR (trung thanh)) tong cong tac thanh cau*.