Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
bien tinh » bi tinh, yen tinh, diep tinh
trung cap » truong cao, trung tam
bang song » nang song
cap bang » cao bang, can bang, lap bang
song tan » song than, song van, cong tan
toan ban » van ban

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 (bien tinh)) - thanh trung cap bang song tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (bien tinh)) - thanh trung cap bang song tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (bien tinh)) - thanh trung cap bang song tan ((toan tap) or (toan ban))*.