Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
phuong cong » phuong dong, phong cong, phung cong
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, hieu lang
doanh luan » doanh nhan
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong dan » cong san, cong tan, huong dan
gian cau » gian chau, gian cac, gian cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu sang)) - hanh doanh luan phuong cong dan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sang)) - hanh doanh luan phuong cong dan gian cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sang)) - hanh doanh luan phuong cong dan gian cau*.