Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
thanh pham » thanh phan, thanh pho, thanh hai
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
hanh cham » hanh lam, hanh nam, hanh cac
dong dinh » dong kinh, dang dinh, dong ninh
thanh tu » hanh tu, nhanh tu, thanh tung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) or (hieu lang)) - lanh ((hanh cham) or (thanh pham)) thuong dong dinh thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - lanh ((hanh cham) OR (thanh pham)) thuong dong dinh thanh tu.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (hieu lang)) - lanh ((hanh cham) or (thanh pham)) thuong dong dinh thanh tu*.