Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
tinh bai » tinh bac, tinh hai, hinh bai
cau treo » cau tren, cau triet, cau trieu
cau theo » cau tao
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, giao duc
va tinh » may tinh
ve cao » va cao, ve bao, ve cac

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: tu cac ky sang lai hoi. hieu ve cao duc va tinh bai ((((cau treo) OR (cau theo))) OR (cau thi))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky sang lai hoi. hieu ve cao duc va tinh bai ((((cau treo) OR (cau theo))) or (cau thi))~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky sang lai hoi. hieu ve cao duc va tinh bai ((((cau treo) OR (cau theo))) or (cau thi))*.