Perhaps you should try some spelling variations:
luong nhanh » luong thanh, luong nhan, muong thanh
hieu lang » chieu sang, hieu quang, nhieu tang
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
nhanh cau » nhanh cay, thanh chau, nhanh ha
cong cua » cong cu, huong cua, thong cua
dong cua » dung cua, huong cua, thong cua
ho hieu » ho chieu, hoi hieu, nho hieu

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 hieu lang - thanh ((cong cua) OR (dong cua)) ((hang cong) OR (bang cong)) luong nhanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh ((cong cua) OR (dong cua)) ((hang cong) or (bang cong)) luong nhanh cau~".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((cong cua) OR (dong cua)) ((hang cong) or (bang cong)) luong nhanh cau*.