Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
chau tinh » ha tinh, cua tinh, cac tinh
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
toan cao » toan ban, toan tap

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: ha ((chau tinh) OR (cuu tinh)) - thanh tung cua thuong cong tac ((toan cao) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ha ((chau tinh) OR (cuu tinh)) - thanh tung cua thuong cong tac ((toan cao) or (van ban))~".
• Adding a wildcard symbol may retrieve word variants: ha ((chau tinh) OR (cuu tinh)) - thanh tung cua thuong cong tac ((toan cao) or (van ban))*.