Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
hieu van » hieu va, thien van, lieu va
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu sang) or (chieu tinh))) or (hieu van)) - thanh trung cua thong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (chieu tinh))) OR (hieu van)) - thanh trung cua thong cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (chieu tinh))) or (hieu van)) - thanh trung cua thong cong tan than cau*.