Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong doanh » phuong danh, phuong doan, phuong hoang
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
hoc ban » hoc bang, hoc dan, hoc can
hoc bai » hoc dai, hoc giai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chinh sach) or (chieu sang)) - hanh trung cua nhung phuong doanh ((hoc ban) OR (hoc bai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chinh sach) OR (chieu sang)) - hanh trung cua nhung phuong doanh ((hoc ban) OR (hoc bai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chinh sach) or (chieu sang)) - hanh trung cua nhung phuong doanh ((hoc ban) OR (hoc bai))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chinh sach) or (chieu sang)) - hanh trung cua nhung phuong doanh ((hoc ban) OR (hoc bai))*.