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 hau » van ha, van hai, van dau
xuc van » duc van, luc van, vuc van
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van 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 v nang x hoi. hieu ((van nam) or (van hau)) xuc van hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang x hoi. hieu ((van nam) OR (van hau)) xuc van hanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach v nang x hoi. hieu ((van nam) or (van hau)) xuc van hanh vi cua viet*.