Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
cong quang » luong quang, thong quang, duong quang
tam thong » tam thuong, tao thong, nam thong
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap

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 xanh - thanh trung tam thong cong quang ((thanh cac) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung tam thong cong quang ((thanh cac) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung tam thong cong quang ((thanh cac) or (toan cao))*.