Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
dinh moi » dinh so, dinh tri, dinh thi
cau luc » cau truc, cau phuc
moi cua » hoi cua, doi cua, moi quan
va dinh » van dinh, va kinh, va tinh
hieu va » lieu va, hieu qua
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 (toc sach)) ky nang x hoi. hieu va ((cau luc) or (cam xuc)) va dinh moi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky nang x hoi. hieu va ((cau luc) OR (cam xuc)) va dinh moi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ky nang x hoi. hieu va ((cau luc) or (cam xuc)) va dinh moi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ky nang x hoi. hieu va ((cau luc) or (cam xuc)) va dinh moi cua triet*.