Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua viet » ca viet, hoa viet, cua vat
hieu van » hieu va, thien van, lieu va
ly vang » ly hang, ly van, ly quang
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc
va danh » va dinh, va dan, va hanh
ly nang » ky nang, ly hang, ly quang
te sach » toc sach
di cua » dai cua, doi cua, de cua
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: te sach ((ly nang) or (ly vang)) x hoi. hieu van cau xuc ((va danh) or (ban thanh)) di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly vang)) x hoi. hieu van cau xuc ((va danh) OR (ban thanh)) di cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) or (ly vang)) x hoi. hieu van cau xuc ((va danh) or (ban thanh)) di cua viet*.