Perhaps you should try some spelling variations:
ve triet » va trien, su triet
lai hoi » dai hoi, lai hoa, lai roi
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
hoc mac » hoc ma, hoc may, hoc cac
ky dang » ky nang, ky danh
mai hoi » mai khoi, dai hoi, mai doi
hieu ve » hieu va, hieu van
mac ky » cac ky, sac ky, bac ky
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
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: hoc mac ky dang ((mai hoi) OR (lai hoi)). hieu ve cam tuc va hanh vi ((cua te) OR (ve triet))~.
• Adding a wildcard symbol may retrieve word variants: hoc mac ky dang ((mai hoi) or (lai hoi)). hieu ve cam tuc va hanh vi ((cua te) or (ve triet))*.