Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
va cau » van cau, va cac, va dau
cau tu » dau tu, cau truc
vi cua » vai cua, di cua

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) or (hoc sach)) ky tang xa hoi. hieu va cau tu va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ky tang xa hoi. hieu va cau tu va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (hoc sach)) ky tang xa hoi. hieu va cau tu va hanh vi cua triet*.