Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
te sach » toc sach
cua tre » cua te, cua triet, dua tren
va tinh » may tinh
sach ky » sac ky, sach y, sach ty
cuu tre » cau tren, cau treo
hieu ve » hieu va, hieu van
cam tu » cam thu, nam tu, dam tu
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

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: te sach ky nang x hoi. hieu ve cam tu ((va thanh) OR (va tinh)) vi ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu ve cam tu ((va thanh) or (va tinh)) vi ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu ve cam tu ((va thanh) or (va tinh)) vi ((cua tre) OR (cuu tre))*.