Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cham xuc » cam xuc, chat xuc, pham duc
ban hanh » ban hang
ky dong » ly dong, ky dang, ky cong
dong ha » dong hoa, dong va, dong hoc
su cac » tu cac, su cao, su can
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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: su cac ky dong ha noi. hieu van ((cham xuc) OR (cham soc)) ban hanh vi cua tu~.
• Adding a wildcard symbol may retrieve word variants: su cac ky dong ha noi. hieu van ((cham xuc) or (cham soc)) ban hanh vi cua tu*.