Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sang » chieu sach, chieu xanh, hieu lang
hang doanh » hanh doanh, nhung doanh, van doanh
cua phuong » cuu phuong, cuc phuong, luan phuong
doanh cua » doanh luan
ho chieu » theo chieu, hoc thieu, mot chieu
cong san » cong tac
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hang doanh cua phuong cong san ((han tap) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hang doanh cua phuong cong san ((han tap) OR (toan tap))*.