Perhaps you should try some spelling variations:
khanh luan » khanh thuan, doanh luan, hang luan
van nhuong » van chuong, van huong, van thuong
van phuong » van phong, va phuong, van chuong
ho chieu » theo chieu, hoc thieu, doi chieu
thi hien » thi lien, thi huyen, thi hue
cong san » cong tac
san ban » sang ban, van ban, can ban
ban cau » bang cau, ban can, van cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi hien)) xanh - khanh luan ((van nhuong) OR (van phuong)) cong san ban cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (thi hien)) xanh - khanh luan ((van nhuong) OR (van phuong)) cong san ban cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi hien)) xanh - khanh luan ((van nhuong) OR (van phuong)) cong san ban cau*.