Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
song cong » cong cong, tong cong, song hong
tung qua » dung qua, tuong quan, trung quan
cong tac » cong ty
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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 xanh) or (chieu xanh)) - thanh tung qua song cong tac ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh tung qua song cong tac ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - thanh tung qua song cong tac ((than cau) or (than cap))*.