Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
thuong con » thuong dong, truong cong, thuong chi
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
san doan » san doanh, tan doan, van doan
doan cap » doanh cao, dan ca, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - ((thanh trung) or (hanh trinh)) cua ((thong cong) or (thuong con)) san doan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((thanh trung) OR (hanh trinh)) cua ((thong cong) OR (thuong con)) san doan cap.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((thanh trung) or (hanh trinh)) cua ((thong cong) or (thuong con)) san doan cap*.