Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hien thanh » thien thanh, hien hanh, tien thanh
cua phuong » cuu phuong, cuc phuong, luan phuong
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh

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: "hoc hien thanh - canh manh cua phuong cong tan ((toan ban) OR (van ban))~".
• Adding a wildcard symbol may retrieve word variants: hoc hien thanh - canh manh cua phuong cong tan ((toan ban) OR (van ban))*.