Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
thong cong » trong cong, tong cong, thong thong
hieu lang » hieu quang, nhieu tang, hieu van
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
gian chau » gian cham, gian cua, gian cac
cong tan » cong tac, cong san, cong thanh
gian cu » gian cua, gian xu, gian co

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 lang) or (chieu sang)) - thanh trung cua thong cong tan ((gian cu) or (gian chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - thanh trung cua thong cong tan ((gian cu) OR (gian chau)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sang)) - thanh trung cua thong cong tan ((gian cu) or (gian chau))*.