Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
lap hoat » tap hoa, dan hoat, lap dat
thanh vi » hanh vi, thanh va, thanh ve
ky sang » ky nang, ky dang, ky tang
lap hoi » lap doi, lai hoi, lap hai
hieu su » hieu sau, tieu su, hieu so
su chao » su cao, sau chan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xu ban » xuc ban, tu ban, vu ban
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 sac ky sang ((lap hoi) or (lap hoat)). hieu su chao xu ban thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((lap hoi) OR (lap hoat)). hieu su chao xu ban thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((lap hoi) or (lap hoat)). hieu su chao xu ban thanh vi cua te*.