Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong ban » cong bang, cong san, cong tan
khan cap » khan ap, than cap, khoan cam

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 tung cua dung cong ban ((thanh lap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung cua dung cong ban ((thanh lap) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cua dung cong ban ((thanh lap) or (khan cap))*.