Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang
nhiet nang » nhiet dong, viet nang, thien nang
hanh trinh » canh tranh, hanh chinh
luat nhung » luat thuong, thuat nhung, cua nhung
luat chung » luan chung, luat thuong, cua chung
thanh pham » thanh phan, thanh pho, thanh hai
san thanh » ban thanh, van thanh, son thanh
cong san » cong tac

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: doc ((nhieu tang) OR (nhiet nang)) - hanh trinh ((luat nhung) OR (luat chung)) cong san thanh pham~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((nhieu tang) or (nhiet nang)) - hanh trinh ((luat nhung) OR (luat chung)) cong san thanh pham~".
• Adding a wildcard symbol may retrieve word variants: doc ((nhieu tang) or (nhiet nang)) - hanh trinh ((luat nhung) OR (luat chung)) cong san thanh pham*.