Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
luat phuong » luat thuong, luan phuong, xuat phuong
canh trinh » hanh trinh, canh tinh, anh trinh
doi trieu » dong trieu, doi chieu, doi trinh
doi tinh » doi trinh, hoi tinh, don tinh
cong sat » cong suat, cong san, cong hat
sat nhan » hat nhan, sat phan, ca nhan
nhan cau » nhanh cau, phan cau, nhan sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi trieu) or (doi tinh)) tinh - ((canh trinh) OR (canh tranh)) luat phuong cong sat nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi trieu) OR (doi tinh)) tinh - ((canh trinh) OR (canh tranh)) luat phuong cong sat nhan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi trieu) or (doi tinh)) tinh - ((canh trinh) OR (canh tranh)) luat phuong cong sat nhan cau".
• Adding a wildcard symbol may retrieve word variants: ((doi trieu) or (doi tinh)) tinh - ((canh trinh) OR (canh tranh)) luat phuong cong sat nhan cau*.