Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
hieu so » thieu so
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
lap hoi » lap doi, lai hoi, lap hai
so chao » so thao, so chat, so cho
tu sai » tu bai, tu san, tu cai
xu ban » xuc ban, tu ban, vu ban
cua tu » cua tuc, cua su, cua cu

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 ((ky sang) OR (ky tang)) lap hoi. hieu so chao xu ban thanh vi ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ((ky sang) or (ky tang)) lap hoi. hieu so chao xu ban thanh vi ((cua te) OR (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: tu sai ((ky sang) or (ky tang)) lap hoi. hieu so chao xu ban thanh vi ((cua te) OR (cua tu))*.