Perhaps you should try some spelling variations:
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va tinh » may tinh
tinh vi » trinh vi, tinh voi, tinh va
cua tre » cua te, cuu tre, cua triet
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky
ma hoi » xa hoi, ma hoa, me hoi
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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 cai ky nang ((ma hoi) OR (mai hoi)). hieu ve cam tuc va tinh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu cai ky nang ((ma hoi) or (mai hoi)). hieu ve cam tuc va tinh vi cua tre*.