Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
dong thong » thong thong, nong thon, dong thanh
thong tinh » thuong tinh, thong tin, thong minh
chau tinh » cuu tinh, ha tinh, cua tinh
canh manh » lanh manh, canh tranh, van manh
cua dong » chua dong, cua cong, cua dang
toan cao » toan ban, toan tap

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 sang) OR (chau tinh)) - ((canh manh) OR (cach mang)) cua dong thong tinh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chau tinh)) - ((canh manh) OR (cach mang)) cua dong thong tinh toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chau tinh)) - ((canh manh) OR (cach mang)) cua dong thong tinh toan cao*.