Perhaps you should try some spelling variations:
thanh moi » thanh loi, thanh hoa, thanh hai
ban thanh » ban hanh, ban hang
moi quan » mai quan, hai quan, co quan
hieu va » lieu va, hieu qua
dau luc » cau luc, dau luan, dau nuoc
luc ban » duc ban, cuc ban, luc bat
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
va dau » va dao
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky nang ((x hoi) or (o hoi)). hieu va dau luc ban thanh moi quan tri~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky nang ((x hoi) OR (o hoi)). hieu va dau luc ban thanh moi quan tri.
• Adding a wildcard symbol may retrieve word variants: su xac ky nang ((x hoi) or (o hoi)). hieu va dau luc ban thanh moi quan tri*.