Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
lap hoi » lap doi, lai hoi, lap hai
hieu su » hieu sau, tieu su, hieu so
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
su chao » su cao, sau chan
vi cua » vai cua, di cua
xu ban » xuc ban, tu ban, vu ban
tu sai » tu san, tu cai, tu lai
tu bai » tu ban, tu bat, te bai
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 sai) OR (tu bai)) ((ky sang) OR (ky tang)) lap hoi. hieu su chao xu ban thanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sai) OR (tu bai)) ((ky sang) or (ky tang)) lap hoi. hieu su chao xu ban thanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sai) OR (tu bai)) ((ky sang) or (ky tang)) lap hoi. hieu su chao xu ban thanh vi cua te*.