Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
toc sach » hoc sach, doc sach, thuoc sach
va triet » va thiet, va trien, ve triet
cao duc » dao duc, cao suc, giao duc
xanh di » vanh dai, xanh tai
danh di » danh du, danh dien, danh gia
va cao » va cac, va co, va dao
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach v nang x hoi. lieu va cao duc va ((danh di) or (xanh di)) ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach v nang x hoi. lieu va cao duc va ((danh di) OR (xanh di)) ((cua triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: toc sach v nang x hoi. lieu va cao duc va ((danh di) or (xanh di)) ((cua triet) or (va triet))*.