Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
hieu ve » hieu van
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac
van cua » vang cua, ban cua, dan cua
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang

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: te sach ((y nang) OR (v nang)) xa hoi. ((hieu ve) OR (hieu va)) cac duc va thanh van cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (v nang)) xa hoi. ((hieu ve) OR (hieu va)) cac duc va thanh van cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (v nang)) xa hoi. ((hieu ve) OR (hieu va)) cac duc va thanh van cua triet*.