Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
va dinh » van dinh, va kinh, va tinh
hieu ve » hieu va, hieu van
di cua » dai cua, doi cua, de cua
te san » ke san, tu san, ta san
cam tu » cam thu, nam tu, dam tu
te ban » te bao, tu ban
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te san) OR (te ban)) ky nang x hoi. hieu ve cam tu ((va hanh) or (va dinh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (te ban)) ky nang x hoi. hieu ve cam tu ((va hanh) OR (va dinh)) di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te san) OR (te ban)) ky nang x hoi. hieu ve cam tu ((va hanh) or (va dinh)) di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te san) OR (te ban)) ky nang x hoi. hieu ve cam tu ((va hanh) or (va dinh)) di cua tre*.