Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cuu chat » cuu phat, cao chat, cuu che
doc chat » hoc chat, hop chat, toc cham
thanh vi » hanh vi, thanh va, thanh ve
ky mang » ky nang, ke mang, ky dang
dai hoi » dai hoc, dai hai
dai moi » doi moi
xuc van » duc van, luc van, vuc van
vi cua » vai cua, di cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan 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 san ky mang ((dai hoi) OR (dai moi)). hieu ((cuu chat) OR (doc chat)) xuc van thanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky mang ((dai hoi) OR (dai moi)). hieu ((cuu chat) or (doc chat)) xuc van thanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: tu san ky mang ((dai hoi) OR (dai moi)). hieu ((cuu chat) or (doc chat)) xuc van thanh vi cua te*.