Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
ban hanh » ban hang
va chat » van chat, va phat, hoa chat
ky dang » ky danh
lai cua » dai cua, hai cua, lai chau
dai hoi » dai hoc, dai hai, dai moi
xuc ban » duc ban, cuc ban, quoc ban
tu san » thu san, tu ban, tu can
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 san ((ky dang) OR (ky nang)) dai hoi. hieu ((va chat) OR (cao chat)) xuc ban hanh lai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((ky dang) OR (ky nang)) dai hoi. hieu ((va chat) or (cao chat)) xuc ban hanh lai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu san ((ky dang) OR (ky nang)) dai hoi. hieu ((va chat) or (cao chat)) xuc ban hanh lai cua te*.