Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung chong » nhung cong, nhung phong, nhung phuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
doanh luan » doanh nhan
luan nhung » luan chung, luan hung, quan nhung
chong van » thong van, hong van, phong van
thanh hai » thanh phan, thanh hoa, thanh san
nhanh cau » nhanh cay, thanh chau, nhanh ha

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: hoc ((thieu xanh) OR (chieu xanh)) - doanh doanh luan nhung chong van ((thanh hai) OR (nhanh cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - doanh doanh luan nhung chong van ((thanh hai) or (nhanh cau))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - doanh doanh luan nhung chong van ((thanh hai) or (nhanh cau))*.