Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhiet nang » nhiet dong, viet nang, nhieu tang
nang luong » nang song
luong quan » thong quan, duong qua
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
dan thanh » dang thanh, danh thanh, ban thanh
cong dan » cong san, cong tan, huong dan

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 ((((chiet tach) OR (chieu sach))) OR (nhiet nang)) - nang luong quan dung cong dan thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chiet tach) OR (chieu sach))) or (nhiet nang)) - nang luong quan dung cong dan thanh san~".
• Adding a wildcard symbol may retrieve word variants: ho ((((chiet tach) OR (chieu sach))) or (nhiet nang)) - nang luong quan dung cong dan thanh san*.