Perhaps you should try some spelling variations:
nhung bong » nhung cong, nhung bang, nhung chong
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
nang cua » mang cua, hang cua, tang cua
nang dua » nang du, nang suat, nang quan
bong dan » cong dan, bong da, nong dan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 chieu sang - anh ((nang cua) OR (nang dua)) nhung bong dan ((than cau) OR (phan cau))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - anh ((nang cua) or (nang dua)) nhung bong dan ((than cau) or (phan cau))*.