Perhaps you should try some spelling variations:
trung thanh » truong thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung tam, tran tuan, truong thanh
duong cong » dung cong, luong cong, duong trong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
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 - thanh ((trung tuan) OR (trung thanh)) duong cong tan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh ((trung tuan) OR (trung thanh)) duong cong tan phan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((trung tuan) OR (trung thanh)) duong cong tan phan cau*.