Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hanh dai » hanh tai, hanh dao, vanh dai
chat xuc » chat huu, cam xuc, chao xu
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, va danh
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va
dai ve » dap ve, dau ve, dai va
xuc va » duc va, tuc va, luc va
su sai » su tai, su dai, su mai
su hai » su tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sai) or (su hai)) ky nang cao hoi. ((hieu ve) or (hieu van)) chat xuc va hanh dai ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sai) OR (su hai)) ky nang cao hoi. ((hieu ve) OR (hieu van)) chat xuc va hanh dai ve triet.
• Adding a wildcard symbol may retrieve word variants: ((su sai) or (su hai)) ky nang cao hoi. ((hieu ve) or (hieu van)) chat xuc va hanh dai ve triet*.