Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, dai khoa
cac khoi » cac thoi, cac khoan, cach thoi
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
su cac » tu cac, su cao, su can

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang ((mai khoi) or (cac khoi)). hieu ve cham xuc ((van hanh) or (van minh)) tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang ((mai khoi) OR (cac khoi)). hieu ve cham xuc ((van hanh) OR (van minh)) tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su cac ky nang ((mai khoi) or (cac khoi)). hieu ve cham xuc ((van hanh) or (van minh)) tai cuu tre*.