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
tung dap » tung dan, trung dai, tuong dan
ung cong » luong cong, duong cong, cuong cong
chan cap » than cap, cao cap, phan cac
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 dap ((ung cong) or (dung cong)) dan ((chan cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung dap ((ung cong) OR (dung cong)) dan ((chan cap) OR (khan cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tung dap ((ung cong) or (dung cong)) dan ((chan cap) OR (khan cap))*".