Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
phong cong » phong chong, thong cong, chong cong
hieu lang » chieu sang, hieu quang, nhieu tang
tuong cua » truong cua, huong cua, thong cua
cua phong » cua phuong, cua khong, cuu phong
nhanh cau » nhanh cay, thanh chau, nhanh ha
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh tuong cua phong cong tan ((nhanh cau) OR (((phan cau) OR (phan cac))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh tuong cua phong cong tan ((nhanh cau) or (((phan cau) OR (phan cac))))~".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tuong cua phong cong tan ((nhanh cau) or (((phan cau) OR (phan cac))))*.