Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san
thuc chong » thuc chung, thuc khong, thuoc khong
chong cong » cong cong, thong cong, cuong cong
theo chau » theo chu, theo chieu, theo cap
theo phap » thi phap
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: ((theo chau) or (theo phap)) tinh - ((thanh toan) OR (tinh toan)) thuc chong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chau) OR (theo phap)) tinh - ((thanh toan) OR (tinh toan)) thuc chong cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chau) or (theo phap)) tinh - ((thanh toan) OR (tinh toan)) thuc chong cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chau) or (theo phap)) tinh - ((thanh toan) OR (tinh toan)) thuc chong cong tac toan cau*.