Perhaps you should try some spelling variations:
can thuc » dan thuc, van thuc, cay thuc
dao dinh » do dinh, dao minh, dao tinh
cau tren » cu tren, dau tren, ca tren
cach ky » cac ky
hieu ve » hieu va, hieu van
thuc ca » thuc cua, thuc can, thuc cao
cuu tre » cua tre, cau treo
ma hoi » mai hoi, ma hoa, me hoi
ve can » ve canh, ve cac, ve ban
cuoc » quoc, duoc

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: cuoc cach ky nang ((ma hoi) OR (xa hoi)). hieu ve can thuc ca dao dinh ((cuu tre) OR (cau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cuoc cach ky nang ((ma hoi) OR (xa hoi)). hieu ve can thuc ca dao dinh ((cuu tre) or (cau tren))~".
• Adding a wildcard symbol may retrieve word variants: cuoc cach ky nang ((ma hoi) OR (xa hoi)). hieu ve can thuc ca dao dinh ((cuu tre) or (cau tren))*.