Perhaps you should try some spelling variations:
phat xuc » chat xuc, phat xuat, phap xu
ban hanh » ban hang
ky dang » ky nang, ky danh
lai hoi » dai hoi, lai hoa, mai hoi
lai roi » loi roi
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cai ky dang ((lai hoi) or (lai roi)). hieu va phat xuc ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ky dang ((lai hoi) OR (lai roi)). hieu va phat xuc ban hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu cai ky dang ((lai hoi) or (lai roi)). hieu va phat xuc ban hanh vi cua te*.