Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
nam duoc » nam thuoc, da duoc, dat duoc
va thanh » gia thanh, ban thanh, va tinh
cao duc » dao duc, cao suc, giao duc
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
cam duc » cam xuc, pham duc, lam duoc
sach ky » sac ky, sach y, sach ty
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: hoc sach ky nang xa hoi. hieu ve ((((cam duc) OR (nam duoc))) OR (cao duc)) va thanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ky nang xa hoi. hieu ve ((((cam duc) OR (nam duoc))) or (cao duc)) va thanh vai cua te~".
• Adding a wildcard symbol may retrieve word variants: hoc sach ky nang xa hoi. hieu ve ((((cam duc) OR (nam duoc))) or (cao duc)) va thanh vai cua te*.