Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
thanh ve » hanh ve, thanh va, thanh vien
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
lam xuc » cam xuc, lam duoc
cua tre » cua te, cuu tre, cua triet
ve cua » le cua, de cua, te cua

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

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