Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan ban, toan tap

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 lang)) - thanh trung cua nhung cong tinh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu sang) OR (chieu xanh))) or (hieu lang)) - thanh trung cua nhung cong tinh toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) OR (chieu xanh))) or (hieu lang)) - thanh trung cua nhung cong tinh toan cao*.