Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
thien thanh » tien thanh, thi thanh, hien hanh
hien nhanh » hien hanh, tien thanh, dien thanh
manh trung » manh tung, thanh trung, manh hung
ca thuong » cao thuong, cua thuong, va thuong
van thanh » van tuan
ban thanh » ban hanh, ban hang
trung ca » trung cap, truong ca, trung cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien nhanh) or (thien thanh)) - manh trung ca thuong dong ((van thanh) OR (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (thien thanh)) - manh trung ca thuong dong ((van thanh) OR (ban thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) or (thien thanh)) - manh trung ca thuong dong ((van thanh) OR (ban thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (thien thanh)) - manh trung ca thuong dong ((van thanh) OR (ban thanh)) cau*.