Perhaps you should try some spelling variations:
phuong dong » phuong dung, phuong hoang, chuong duong
hieu quang » thieu quang, hieu quan, hieu qua
thanh chau » thanh cha, thanh cham, thanh chu
hieu lang » chieu sang, nhieu tang, hieu van
hanh tang » hanh trang, anh tang, hanh mang
tang doan » trang doan, tang dan, tan doan
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (hieu quang)) - hanh tang doan phuong dong vat thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - hanh tang doan phuong dong vat thanh chau*.