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
mai hoi » mai khoi, dai hoi, lai hoi
ky sang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
ma hoi » xa hoi, ma hoa, me hoi
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 ((ma hoi) OR (mai 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 ((ma hoi) OR (mai 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 ((ma hoi) OR (mai hoi)). hieu va khai luoc van anh vi ((va triet) or (cua viet))*.