Perhaps you should try some spelling variations:
khai luoc » hai huoc, hai luom, dai luoc
cua viet » ca viet, hoa viet, cua vat
va triet » va thiet, va trien, ve triet
luoc van » luoc can, luoc va, luc van
van anh » van thanh, tuan anh, van minh
va khai » van khai, va khao, va kha
hieu va » lieu va, hieu qua
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
anh vi » hanh vi, anh va, anh ve
tu sac » tu sach, tu cac, tu san

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky sang) OR (ky tang)) ma hoi. hieu va khai luoc van anh vi ((va triet) OR (cua viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky sang) OR (ky tang)) ma hoi. hieu va khai luoc van anh vi ((va triet) or (cua viet))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky sang) OR (ky tang)) ma hoi. hieu va khai luoc van anh vi ((va triet) or (cua viet))*.