Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
hanh thai » nhanh thai, hinh thai, hanh tai
hieu van » hieu va, thien van, lieu va
su triet » su viet, su tien, ve triet
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
van bac » van ban, van bao, van hac
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
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: so sach ky nang x hoi. hieu van bac xuc va hanh thai ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang x hoi. hieu van bac xuc va hanh thai ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x hoi. hieu van bac xuc va hanh thai ((cua triet) OR (su triet))*.