Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
trung ha » trung hoc, trung tam, trung cap
trung va » truong va, trang va, trung tam
so sach » bo sach, co sach, hoc sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
so sanh » do sanh
va chat » van chat, va phat, cao chat
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: ((so sach) OR (so sanh)) ky nang xa hoi. hieu va chat ((trung va) OR (trung ha)) hanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (so sanh)) ky nang xa hoi. hieu va chat ((trung va) OR (trung ha)) hanh vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) ky nang xa hoi. hieu va chat ((trung va) OR (trung ha)) hanh vi cua triet*.