Perhaps you should try some spelling variations:
thieu nien » thien nhien
cua triet » cua viet, su triet, va triet
bieu hien » dieu hien, dieu khien, bien phien
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va danh, ban hanh
vai cua » dai cua, hai cua, lai cua
te sach » toc sach
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: te sach ky nang x hoi. ((thieu nien) or (bieu hien)) cac du ((va hanh) or (va thanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. ((thieu nien) OR (bieu hien)) cac du ((va hanh) OR (va thanh)) vai cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. ((thieu nien) or (bieu hien)) cac du ((va hanh) or (va thanh)) vai cua triet*.