Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
doc chieu » doc hieu, doi chieu, toc thieu
trung tac » trung tam, trong tac, trung tai
dung cong » dung trong
tac dung » sach dung, xay dung, tin dung
cong ban » cong bang, cong san, cong tan
phap cau » phan cau, pha cau, phap ca

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 sang - thanh trung tac dung cong ban phap cau~.
• Adding a wildcard symbol may retrieve word variants: doc chieu sang - thanh trung tac dung cong ban phap cau*.