Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
cong trong » cong thuong, duong trong, cong trinh
hieu lang » chieu sang, hieu quang, hieu van
hanh nhan » thanh nhan, danh nhan, anh nhan
cac trien » cac trieu, cac truyen, cach thien
trien van » thien van, trien san, trien nhan
nhan cau » nhanh cau, phan cau, nhan sau
cau cong » cac cong, cuu cong, cao cong

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: hoc ((nhieu tang) OR (hieu lang)) - hanh nhan cau cong trong cac trien van~.
• Adding a wildcard symbol may retrieve word variants: hoc ((nhieu tang) or (hieu lang)) - hanh nhan cau cong trong cac trien van*.