Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
phuong cau » huong cau, phuong cach, thuong chau
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
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 nhung cong ban ((phuong cau) OR (phuong cham))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh trung cua nhung cong ban ((phuong cau) OR (phuong cham))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung cua nhung cong ban ((phuong cau) OR (phuong cham))*.