Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cao, va cai
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di 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. lieu ((va cam) OR (va cac)) xuc va thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. lieu ((va cam) OR (va cac)) xuc va thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. lieu ((va cam) OR (va cac)) xuc va thanh vi cua tre*.