Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
ban thanh » ban hanh, ban hang
thanh tai » thanh hai, thanh toan, doanh tai
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, tao duoc
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu van ((lam duoc) or (lam thuoc)) ban thanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu van ((lam duoc) OR (lam thuoc)) ban thanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu van ((lam duoc) or (lam thuoc)) ban thanh tai cua tre*.