Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong nang » thong mang, thong quang, thong hoang
ho chieu » theo chieu, hoc thieu, doi chieu
dung cam » dung lam, dung nam, dung cho
dung cac » luong cac, dung cho, dung tai
than cau » toan cau, phan cau, than cap
khan ap » khan cap, han ap, khan dam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((dung cam) OR (dung cac)) thong thong nang ((than cau) OR (khan ap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((dung cam) OR (dung cac)) thong thong nang ((than cau) or (khan ap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((dung cam) OR (dung cac)) thong thong nang ((than cau) or (khan ap))*.