Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh 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
phan tap » phan lap, pha tap, phan tu
han tap » han tai, toan tap, nhan tai

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 - hanh doanh cua phuong cong san ((phan tap) OR (han tap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh doanh cua phuong cong san ((phan tap) OR (han tap))*.