Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, trung tam, tran tuan
hien xanh » hien hanh, hien nhanh, chieu xanh
nhung don » nhung van, nhung bo
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: hoc ((hien xanh) or (chieu tinh)) - thanh trung tuan ((nhung don) or (thong thong)) van than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu tinh)) - thanh trung tuan ((nhung don) OR (thong thong)) van than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu tinh)) - thanh trung tuan ((nhung don) or (thong thong)) van than cau*.