Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
ly nang » ky nang, ly hang, ly vang
ly van » le van, ly va, ly von
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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) OR (toc sach)) ((ly nang) or (ly van)) x ho. hieu van cau xuc va hanh di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ((ly nang) OR (ly van)) x ho. hieu van cau xuc va hanh di cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ((ly nang) or (ly van)) x ho. hieu van cau xuc va hanh di cua viet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ((ly nang) or (ly van)) x ho. hieu van cau xuc va hanh di cua viet*.