Perhaps you should try some spelling variations:
thien van » thi van
hac thuc » hoc thuc, ha thuc, thach thuc
khach ky » hanh ky, thanh ky
vu khach » vu khanh, vu khac, vay khach
va thanh » gia thanh, ban thanh, le thanh
van hac » van hoc, van ha, van hai
va tinh » may tinh
x hoi » xa hoi, o hoi, x ho
vi va » vai va, vu va, bi va

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: vu khach ky nang x hoi. thien van hac thuc ((va thanh) OR (va tinh)) ((vi va) OR (vi van)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ky nang x hoi. thien van hac thuc ((va thanh) or (va tinh)) ((vi va) OR (vi van)) triet~".
• Adding a wildcard symbol may retrieve word variants: vu khach ky nang x hoi. thien van hac thuc ((va thanh) or (va tinh)) ((vi va) OR (vi van)) triet*.