Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
qua ca » qua cac, qua cua, qua cai
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky lang xa hoi. hieu qua ca ((xuc van) or (luc van)) hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky lang xa hoi. hieu qua ca ((xuc van) OR (luc van)) hanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: tu san ky lang xa hoi. hieu qua ca ((xuc van) or (luc van)) hanh vi cua viet*.