Perhaps you should try some spelling variations:
thien van » thi van
sach ky » sac ky, sach y, sach ty
van lam » van nam
lam xuc » cam xuc, lam duoc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
sai ky » sac ky
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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) or (((sai ky) or (cac ky)))) nang x hoi. thien van lam xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (((sai ky) OR (cac ky)))) nang x hoi. thien van lam xuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (((sai ky) or (cac ky)))) nang x hoi. thien van lam xuc va hanh vi cua tre*.