Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phan lap » phan dau
van phan » van phong, van thanh, luan phan
cua tre » cua te, cuu tre, dua tren
xuc van » duc van, luc van, vuc van
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
va cam » va cac, va cao, va cai
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 ky nang o hoi. hieu ((va cam) OR (va cham)) xuc van phan lap ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang o hoi. hieu ((va cam) or (va cham)) xuc van phan lap ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang o hoi. hieu ((va cam) or (va cham)) xuc van phan lap ((cua tre) OR (cua triet))*.