Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
cong thanh » dong thanh, cong trinh, cong tan
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
tran chau » tranh chap, tran huu
cua dang » cua cong, cua ban
tran cao » toan cao, trang cho, tranh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (chieu sang)) - thanh trung cua dang cong thanh ((tran cao) OR (tran chau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chiet tach) or (chieu sang)) - thanh trung cua dang cong thanh ((tran cao) OR (tran chau))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chieu sang)) - thanh trung cua dang cong thanh ((tran cao) OR (tran chau))*.