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 » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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