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
trung toan » truong toan, trung tuan, trung tran
thong van » trong van, thong va, thong quan
van than » van thanh, van thang, van tuan
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)) - thanh trung toan thong thong van than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu tinh)) - thanh trung toan thong thong van than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu tinh)) - thanh trung toan thong thong van than cau*.