Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
hieu su » hieu sau, tieu su, hieu so
va hanh » va thanh, va danh, ban hanh
ky sang » ky nang, ky dang, ky tang
lai hoi » lai hoa, lai roi, mai hoi
vai cua » dai cua, hai cua, lai cua
dai hoi » dai hoc, dai hai, dai moi
su chat » su phat, du chat, so chat
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua te » cua tu

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 ((lai hoi) OR (dai hoi)). hieu su chat xuc ((va hanh) OR (van hanh)) vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ((lai hoi) or (dai hoi)). hieu su chat xuc ((va hanh) OR (van hanh)) vai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((lai hoi) or (dai hoi)). hieu su chat xuc ((va hanh) OR (van hanh)) vai cua te*.