Perhaps you should try some spelling variations:
cao tang » cao dang
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
dai hoi » dai hoc, dai hai, dai moi
hieu vu » hieu va, hieu ve, hieu su
vu chat » va chat, ve chat, du chat
xuc van » duc van, luc van, vuc van
tu sac » tu sach, tu cac, tu san
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((((kho tang) OR (cao tang))) or (ky nang)) dai hoi. hieu vu chat xuc van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((((kho tang) OR (cao tang))) OR (ky nang)) dai hoi. hieu vu chat xuc van hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((((kho tang) OR (cao tang))) or (ky nang)) dai hoi. hieu vu chat xuc van hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((((kho tang) OR (cao tang))) or (ky nang)) dai hoi. hieu vu chat xuc van hanh vi cua te*.