Perhaps you should try some spelling variations:
chuong duong » cuong duong, tuong duong, cuong dung
lan chuong » van chuong, lan phuong, lan thuong
thanh phan » thanh pho, thanh san, thanh toan
hieu lang » chieu sang, hieu quang, nhieu tang
hanh mang » nhanh mang, hanh trang, nhanh lang
duong dat » dung dat, dong dat, duong dao
dat thanh » dao thanh, dat khanh, dang thanh
mang lan » mang lai, mang lam, hang luan

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