Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
phuong cham » phuong phap, phuong thao
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thuong » cua truong, cua phuong, ca thuong
phuong cau » huong cau, phuong cach, thuong chau
trung cua » truong cua, trung tuan, trung cap
cong ban » cong bang, cong san, cong tan

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 cua thuong cong ban ((phuong cau) or (phuong cham))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung cua thuong cong ban ((phuong cau) OR (phuong cham)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung cua thuong cong ban ((phuong cau) or (phuong cham))*.