Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
van hau » van ha, van hai, van dau
hau xuc » chat xuc
danh vi » hanh vi, danh di, danh va
dinh vi » dinh ve, dinh viet, dinh tri
nang o » nang co, nang ho, nang ro
xuc va » duc va, tuc va, luc va
o hoi » co hoi, o hoc, o hai

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 ky nang o hoi. hieu van hau xuc va ((danh vi) OR (dinh vi)) su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang o hoi. hieu van hau xuc va ((danh vi) OR (dinh vi)) su triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang o hoi. hieu van hau xuc va ((danh vi) OR (dinh vi)) su triet*.