Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
tu cham » toc cham, thi cham
cham ky » pham ky, cam ky
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tuc ban » thuc ban, truc ban, tu ban
cu tren » tu tren, dua tren
ma hoi » xa hoi, ma hoa, me hoi
ve cam » ve cham, ve cac, va cam
vi cu » vi su, vi xu, vi du

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 cham ky nang ((ma hoi) OR (mai hoi)). hieu ve cam tuc ban thanh vi cu tren~.
• Adding a wildcard symbol may retrieve word variants: tu cham ky nang ((ma hoi) or (mai hoi)). hieu ve cam tuc ban thanh vi cu tren*.