Perhaps you should try some spelling variations:
ve triet » va trien, su triet
sach ky » sac ky, sach y, sach ty
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
va cham » va chat, va tham
so sach » so sanh, bo sach, co sach
xuc va » duc va, tuc va, luc va
5 hoi » o hoi
vi ve » va ve, gi ve, ve ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang ((5 hoi) or (xa hoi)). hieu ((va cac) or (va cham)) xuc va danh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang ((5 hoi) OR (xa hoi)). hieu ((va cac) OR (va cham)) xuc va danh vi ve triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang ((5 hoi) or (xa hoi)). hieu ((va cac) or (va cham)) xuc va danh vi ve triet*.