Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
cao thong » cao thuong, tao thong, cao phong
tung cao » nung cao, truong cao, trung cap
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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 cao thong cong tan van ban~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cao thong cong tan van ban*.