Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cong quang » luong quang, thong quang, duong quang
cong vang » cong lang, cong ngang, cong san
ho chieu » theo chieu, hoc thieu, doi chieu
co phong » cao phong, mo phong, o phong
toan cau » toan cao, toan ban, toan tap
tung co » trung co, dung co, tung ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh tung co phong ((cong vang) OR (cong quang)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh tung co phong ((cong vang) OR (cong quang)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tung co phong ((cong vang) OR (cong quang)) toan cau*.