Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong thuat » thuong thuyet, thuong thuc, trong thuat
tuong cong » truong cong, trong cong, luong cong
hieu lang » chieu sang, hieu quang, nhieu tang
tong cong » trong cong, cong cong, dung cong
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
doi hieu » doi chieu, doc hieu, doi hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - thanh thuong thuat ((tuong cong) or (tong cong)) ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - thanh thuong thuat ((tuong cong) OR (tong cong)) ban thanh cau.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh thuong thuat ((tuong cong) or (tong cong)) ban thanh cau*.