Perhaps you should try some spelling variations:
hang hoi » hang hoa, hang hai, hang doi
hieu ve » hieu van
hieu va » lieu va, hieu qua
va hang » van hang, va nang, va lang
hoi cua » hoi chuc
cua tre » cua te, cuu tre, cua triet
te san » ke san, tu san, ta san
te ban » te bao
nam tu » nam thu, nam thuc

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 ho. ((hieu ve) or (hieu va)) nam tu va hang hoi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (te ban)) ky nang x ho. ((hieu ve) OR (hieu va)) nam tu va hang hoi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te san) or (te ban)) ky nang x ho. ((hieu ve) or (hieu va)) nam tu va hang hoi cua tre*.