Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
va triet » va thiet, va trien, ve triet
su triet » su viet, su tien, ve triet
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
soc van » hoc van, oc van, sac van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ky tang xa hoi. hieu ve cham soc van thanh vai ((va triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky tang xa hoi. hieu ve cham soc van thanh vai ((va triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: hoc sach ky tang xa hoi. hieu ve cham soc van thanh vai ((va triet) or (su triet))*.