Perhaps you should try some spelling variations:
truong trung » tieng trung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
manh khung » manh hung, manh tung, anh hung
khung cua » chung cua, khung luan, chung cu
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - manh khung cua dang ((cong tan) or (truong trung)) ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - manh khung cua dang ((cong tan) OR (truong trung)) ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - manh khung cua dang ((cong tan) or (truong trung)) ((than cau) or (phan cau))*.