Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
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 - hanh ((trung cua) OR (trung tuan)) nhung cong san ((than cap) OR (phan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh ((trung cua) OR (trung tuan)) nhung cong san ((than cap) or (phan cau))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((trung cua) OR (trung tuan)) nhung cong san ((than cap) or (phan cau))*.