Perhaps you should try some spelling variations:
cuon sach » duong sach, cuoc cach, nuoc sach
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
co sach » bo sach, hoc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
va cao » va cac, va co, va dao
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (((co sach) OR (cuon sach)))) ky nang xa hoi. hieu va cao xuc va danh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (((co sach) OR (cuon sach)))) ky nang xa hoi. hieu va cao xuc va danh vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (((co sach) OR (cuon sach)))) ky nang xa hoi. hieu va cao xuc va danh vi cua triet*.