Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cap dung » ap dung, cao dung, chan dung
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
toan cau » toan cao, toan tap, toan tai
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: ho chieu xanh - thanh trung cap dung ((cong van) or (song van)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung cap dung ((cong van) OR (song van)) ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung cap dung ((cong van) or (song van)) ((toan cau) or (toan ban))*.