Perhaps you should try some spelling variations:
phuong dong » phuong dung, phuong hoang, chuong duong
luan phuong » lan phuong, quang phuong, doan phuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh chau » thanh cha, thanh cham, thanh chu
hieu quan » hieu qua, lieu quan, thien quan
hanh dung » thanh dung, anh dung, hanh dong
vat thanh » dat thanh, gat thanh, tat thanh
dong vat » dong va, dong von, dong ha

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 sang) OR (hieu quan)) - hanh dung luan phuong dong vat thanh chau~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu quan)) - hanh dung luan phuong dong vat thanh chau*.