Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
doanh thanh » danh thanh, doanh nhan, dinh thanh
hien nhanh » hien hanh, tien thanh, dien thanh
thang rong » thang trong, thang long, thanh cong
doanh toan » doanh hoan, doanh doanh, doanh tai
hanh tang » hanh trang, anh tang, hanh mang
cua thang » cua hang, cua thanh, xua thang
tang cua » mang cua, hang cua, tang luan

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)) - hanh tang cua thang rong ((doanh toan) OR (doanh thanh)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (thien thanh)) - hanh tang cua thang rong ((doanh toan) OR (doanh thanh)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) or (thien thanh)) - hanh tang cua thang rong ((doanh toan) OR (doanh thanh)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (thien thanh)) - hanh tang cua thang rong ((doanh toan) OR (doanh thanh)) ban*.