Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh manh » lanh manh, canh tranh, cach mang
thon manh » thong minh, thong mang, thong danh
manh toan » thanh toan, anh tuan, tinh toan
cua nong » cua cong, cuu nong, cua song
cua dong » chua dong, cua cong, cua dang
toan cao » toan ban, toan tap
ha tinh » va tinh, may tinh

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