Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
co loi » co hoi
vi cua » vai cua, di cua
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang ((cao hoi) or (co loi)). ((hieu ve) or (hieu van)) cac xuc van hanh vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ((cao hoi) OR (co loi)). ((hieu ve) OR (hieu van)) cac xuc van hanh vi cua su.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ((cao hoi) or (co loi)). ((hieu ve) or (hieu van)) cac xuc van hanh vi cua su*.