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