Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
quan nhung » qua nhung, cua nhung, luan chung
hanh tang » hanh trang, anh tang, hanh mang
25 trieu » 30 trieu
cong van » cong vang, cong san, song van
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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: 25 trieu tinh - hanh tang ((luan phuong) OR (quan nhung)) cong van ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - hanh tang ((luan phuong) or (quan nhung)) cong van ((toan cau) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh tang ((luan phuong) or (quan nhung)) cong van ((toan cau) OR (toan ban))*.