Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trung cap » truong cao, trung tam
cong vang » cong lang, cong quang, cong ngang
cap dung » ap dung, cao dung, chan dung
cong van » cong san, song van, cong tan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh trung cap dung ((cong van) or (cong vang)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung cap dung ((cong van) OR (cong vang)) phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung cap dung ((cong van) or (cong vang)) phan tu*.