Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
bieu hien » dieu hien, dieu khien, bien phien
hien cac » thien cac, vien cac, hieu cac
va danh » va dinh, va hanh, dia danh
te sach » toc sach
cac bao » cach bao, cac bai, cac ban
va dan » ca dan, va dao, va dau
va cua » va chua, via cua, ca cua
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) or (vu bach)) ky nang x hoi. bieu hien cac bao ((va danh) OR (va dan)) va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (vu bach)) ky nang x hoi. bieu hien cac bao ((va danh) OR (va dan)) va cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (vu bach)) ky nang x hoi. bieu hien cac bao ((va danh) OR (va dan)) va cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (vu bach)) ky nang x hoi. bieu hien cac bao ((va danh) OR (va dan)) va cua triet*.