Perhaps you should try some spelling variations:
phuong cong » phong cong, phung cong, phuong hoang
phuong dong » phuong dung, phuong hoang, chuong duong
doan huong » doan phuong, doan cuong, doan hung
doan quang » tran quang, van quang, dang quang
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - canh tranh cua ((phuong cong) OR (phuong dong)) ((doan huong) or (doan quang)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - canh tranh cua ((phuong cong) OR (phuong dong)) ((doan huong) OR (doan quang)) dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - canh tranh cua ((phuong cong) OR (phuong dong)) ((doan huong) or (doan quang)) dau".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh tranh cua ((phuong cong) OR (phuong dong)) ((doan huong) or (doan quang)) dau*.