Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
van cau » van dau, van hau, van chat
xuc van » duc van, luc van, xuc ban
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di 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 y nang x hoi. hieu ((van nam) or (van cau)) xuc van hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ((van nam) OR (van cau)) xuc van hanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((van nam) or (van cau)) xuc van hanh vi cua viet*.