Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
hanh dai » hanh tai, hanh dao, vanh dai
tu sach » thu sach, su sach, te sach
van dau » van dao, phan dau
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa
xuc va » duc va, luc va, xac 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: tu sach y nang xa hoi. thien van dau ((xuc va) OR (tuc va)) hanh dai ((cua triet) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. thien van dau ((xuc va) or (tuc va)) hanh dai ((cua triet) OR (va triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. thien van dau ((xuc va) or (tuc va)) hanh dai ((cua triet) OR (va triet))*.