Perhaps you should try some spelling variations:
kho tang » cao tang
van hanh » van thanh, ban hanh, van anh
vu chat » ve chat, du chat, vu cham
dai hoi » dai hoc, dai hai, dai moi
xuc van » duc van, luc van, vuc van
va chat » van chat, va phat, cao chat
vi cua » vai cua, di cua
tu san » thu san, tu ban, tu can
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 san ((kho tang) or (ky nang)) dai hoi. hieu ((vu chat) OR (va chat)) xuc van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ((kho tang) OR (ky nang)) dai hoi. hieu ((vu chat) OR (va chat)) xuc van hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((kho tang) or (ky nang)) dai hoi. hieu ((vu chat) OR (va chat)) xuc van hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ((kho tang) or (ky nang)) dai hoi. hieu ((vu chat) OR (va chat)) xuc van hanh vi cua te*.