Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
doc chieu » doc hieu, doi chieu, toc thieu
trung tac » trung tam, trong tac, trung tai
dung cong » dung trong
cong bang » cuong bang, dong bang, hong bang
bang phan » nang phan, bang nhan, bang thanh
tac dung » sach dung, xay dung, tin dung
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu xanh - thanh trung tac dung cong bang phan cau~.
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - thanh trung tac dung cong bang phan cau*.