Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thiet tach » chiet tach, thien hach, thuat tach
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
hien hanh » dieu hanh
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toan ((thiet tach) or (hien hanh)) - ((thanh trung) OR (thanh tung)) cua thuong cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toan ((thiet tach) OR (hien hanh)) - ((thanh trung) OR (thanh tung)) cua thuong cong ban than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toan ((thiet tach) or (hien hanh)) - ((thanh trung) OR (thanh tung)) cua thuong cong ban than cau".
• Adding a wildcard symbol may retrieve word variants: toan ((thiet tach) or (hien hanh)) - ((thanh trung) OR (thanh tung)) cua thuong cong ban than cau*.