Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
tu sach » thu sach, su sach, te sach
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
sach v » sach va, sach y, sach 2
nang o » nang co, nang ho, nang ro
v nang » va nang, vu nang, van nang
o hai » co hai, so hai, o lai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach v nang o hai. hieu van cau xuc ((va hanh) or (va thanh)) di ((cua triet) OR (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang o hai. hieu van cau xuc ((va hanh) OR (va thanh)) di ((cua triet) OR (va triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach v nang o hai. hieu van cau xuc ((va hanh) or (va thanh)) di ((cua triet) OR (va triet))*".