Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
cua phuong » cuu phuong, cuc phuong, luan phuong
trung cua » truong cua, trung tuan, trung cap
yen tinh » tuyen tinh
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 ((yen tinh) or (diep tinh)) - thanh trung cua phuong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((yen tinh) OR (diep tinh)) - thanh trung cua phuong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((yen tinh) or (diep tinh)) - thanh trung cua phuong cong tac toan cau*.