Perhaps you should try some spelling variations:
thanh trung » thanh tung
phan thuong » hang thuong, phan xuong
thuong cong » thong cong, thuong con, thuong dong
hien hanh » dieu hanh
manh tung » manh hung, thanh tung
cong dan » cong san, cong tan, huong dan
dan canh » van canh, dan cach, dan hanh
canh cau » canh chau, can cau, danh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - ((thanh trung) or (manh tung)) phan thuong cong dan canh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((thanh trung) OR (manh tung)) phan thuong cong dan canh cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((thanh trung) or (manh tung)) phan thuong cong dan canh cau*.