Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tran » thanh trang, thanh toan, thanh tra
tuan hoang » quan hoang, tran hoang, xuan hoang
hanh trang » thanh trung, canh tranh, hanh trinh
hieu manh » hieu nganh, dieu hanh, hien hanh
tuan hang » tuan bang, tuan dang, tuan hung
cong hanh » cong thanh, cong khanh, hong hanh
trang tan » trang tuan, trong tan, tran tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu xanh)) - thanh tran ((tuan hang) OR (tuan hoang)) cong hanh trang tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - thanh tran ((tuan hang) OR (tuan hoang)) cong hanh trang tan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (chieu xanh)) - thanh tran ((tuan hang) OR (tuan hoang)) cong hanh trang tan".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - thanh tran ((tuan hang) OR (tuan hoang)) cong hanh trang tan*.