Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
hanh hang » thanh hang, hang hang, hanh han
dong cong » duong cong, dung cong, dang cong
van thanh » ban thanh, van tuan
hang cua » mang cua, hang ca, huong cua
cua dong » chua dong, cua cong, cua dang
ban than » ban thanh, ban hang, ban hanh

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 ((nhieu tang) OR (chieu sach)) - hanh hang cua dong cong ((ban than) OR (van thanh)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((nhieu tang) or (chieu sach)) - hanh hang cua dong cong ((ban than) OR (van thanh)) cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (chieu sach)) - hanh hang cua dong cong ((ban than) OR (van thanh)) cao*.