Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
ma hoi » mai hoi, xa hoi, ma hoa
luc va » tuc va, loc va
cua te » cua tu

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: thu sach ky nang ma hoi. hieu ve cham ((luc va) OR (duc va)) thanh vai ((cua triet) OR (cua te))~.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ma hoi. hieu ve cham ((luc va) or (duc va)) thanh vai ((cua triet) or (cua te))*.