Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
dang xay » dang van, van xay
xay hoi » xa hoi, tay hoi, cay phoi
cua tre » cuu tre, cua triet, dua tren
ky dang » ky nang, ky danh
ve cham » va cham, ve chat, vu cham
xuc van » duc van, luc van, vuc van
tai ky » thai ky, trai ky, sai ky
cua te » cua tu
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te tai ky dang xay hoi. hieu ((ve cam) OR (ve cham)) xuc van hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te tai ky dang xay hoi. hieu ((ve cam) OR (ve cham)) xuc van hanh vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te tai ky dang xay hoi. hieu ((ve cam) OR (ve cham)) xuc van hanh vi ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te tai ky dang xay hoi. hieu ((ve cam) OR (ve cham)) xuc van hanh vi ((cua tre) or (cua te))*.