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