Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
thanh toan » thanh hoa, thanh san, tinh toan
thieu anh » thien anh, thien danh, thieu nhi
tuan ban » tuan bang, toan ban, luan ban
ban cong » bang cong, van cong, phan cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu anh) OR (chieu xanh)) - thanh trung tuan ban cong ((thanh toan) or (dan gian)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu xanh)) - thanh trung tuan ban cong ((thanh toan) OR (dan gian)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) OR (chieu xanh)) - thanh trung tuan ban cong ((thanh toan) or (dan gian)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) OR (chieu xanh)) - thanh trung tuan ban cong ((thanh toan) or (dan gian)) cao*.