Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thong tran » thong than, thong tren, phuong tran
hieu lang » chieu sang, hieu quang, nhieu tang
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
tran toan » tranh toan, tran tuan, tran tan
toan cau » 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: hoc ((chieu xanh) or (hieu lang)) - thanh trung cap thong thong tran toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu lang)) - thanh trung cap thong thong tran toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu lang)) - thanh trung cap thong thong tran toan cau*.