Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cua » truong cua, trung tuan, trung cap
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong tan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, 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 cong cong ban ((than cau) or (((phan cau) OR (phan cac))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cua cong cong ban ((than cau) OR (((phan cau) OR (phan cac)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung cua cong cong ban ((than cau) or (((phan cau) OR (phan cac))))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cua cong cong ban ((than cau) or (((phan cau) OR (phan cac))))*.