Perhaps you should try some spelling variations:
thien van » thi van
va thanh » gia thanh, ban thanh, va tinh
thu sach » tu sach, thuat sach, thuoc sach
dau xuc » dau xac, dau xua, dau nuoc
va hanh » van hanh, va danh, ban hanh
sach ky » sac ky, sach y, sach ty
van dau » van dao, phan dau
nang xa » nang x, lang xa, nang ma
dai sua » dai cua
dai su » dai so, dan su, lai su

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: thu sach ky nang xa hoi. thien van dau xuc ((va hanh) OR (va thanh)) ((dai su) OR (dai sua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang xa hoi. thien van dau xuc ((va hanh) or (va thanh)) ((dai su) OR (dai sua)) triet~".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. thien van dau xuc ((va hanh) or (va thanh)) ((dai su) OR (dai sua)) triet*.