Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
toc cham » toc thai
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
cham ky » pham ky, cam ky
dai hoi » dai hoc, dai hai, dai moi
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
tuc ban » thuc ban, truc ban, tu ban
cu tren » tu tren, dua tren
ma hoi » mai hoi, xa hoi, ma hoa
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: toc cham ky nang ((ma hoi) OR (dai hoi)). hieu van cam tuc ban thanh vi cu tren~.
• Adding a wildcard symbol may retrieve word variants: toc cham ky nang ((ma hoi) or (dai hoi)). hieu van cam tuc ban thanh vi cu tren*.