Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
vien nganh » vien thanh
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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) or (hien hanh))) or (vien nganh)) - thanh trung cua phuong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (hien hanh))) OR (vien nganh)) - thanh trung cua phuong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (hien hanh))) or (vien nganh)) - thanh trung cua phuong cong tac toan cau*.