Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hieu quang » thieu quang, hieu quan, hieu qua
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
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) OR (chieu xanh))) OR (hieu quang)) - thanh trung cua nhung cong dan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu sang) OR (chieu xanh))) or (hieu quang)) - thanh trung cua nhung cong dan phan cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) OR (chieu xanh))) or (hieu quang)) - thanh trung cua nhung cong dan phan cau*.