Perhaps you should try some spelling variations:
chuong duong » cuong duong, tuong duong, cuong dung
lan chuong » van chuong, lan phuong, lan thuong
thanh cham » thanh pham, hanh cham, thanh cha
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
duong vat » dong vat, duong va, duong van
vat thanh » dat thanh, gat thanh, tat thanh
tang lan » tang luan, tang van, tang dan

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 qua)) - hanh tang lan chuong duong vat thanh cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu qua)) - hanh tang lan chuong duong vat thanh cham*.