Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam tuc » cam tu, nam thuc, dam thuc
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: su sach ky tang xa hoi. hieu ve ((cam tuc) OR (cam xuc)) van hanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky tang xa hoi. hieu ve ((cam tuc) OR (cam xuc)) van hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky tang xa hoi. hieu ve ((cam tuc) OR (cam xuc)) van hanh vi cua triet*.