Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
chong cong » cong cong, thong cong, cuong cong
trung cua » truong cua, trung tuan, trung cap
cua chong » cua cong, cua chung, cua khong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
phan cau » phan dau, phan cac, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung cua chong cong san ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cua chong cong san ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cua chong cong san ((phan cau) or (phan tu))*.