Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thanh chau » thanh cha, thanh cham, thanh chu
hoc chieu » hoc thieu, ho chieu, hoc dieu
doanh cua » doanh luan
cua nhung » va nhung
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang

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 chieu) OR (hoc hien)) xanh - hanh doanh cua nhung ((cong vang) OR (cong lang)) thanh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) xanh - hanh doanh cua nhung ((cong vang) OR (cong lang)) thanh chau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) xanh - hanh doanh cua nhung ((cong vang) OR (cong lang)) thanh chau*.