Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh hang » thanh hang, hang hang, hanh mang
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, hoc thieu, doi chieu
hanh han » hanh nhan, hanh phan, hanh san
cong tan » cong tac, cong san, cong thanh
ho hieu » hoi hieu, nho hieu, co 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) OR (ho chieu)) lang - ((hanh hang) OR (hanh han)) va thuong cong tan thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho hieu) OR (ho chieu)) lang - ((hanh hang) or (hanh han)) va thuong cong tan thanh cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) OR (ho chieu)) lang - ((hanh hang) or (hanh han)) va thuong cong tan thanh cau*.