Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hieu ve » hieu va
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
van cua » vang cua, ban cua, dan cua
ta san » tai san, tan san, tao san
ke san » ke dan
cua te » cua tu
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: ((ta san) or (ke san)) ky nang x hoi. ((hieu ve) or (hieu van)) am thuc va dinh van cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ta san) OR (ke san)) ky nang x hoi. ((hieu ve) OR (hieu van)) am thuc va dinh van cua te.
• Adding a wildcard symbol may retrieve word variants: ((ta san) or (ke san)) ky nang x hoi. ((hieu ve) or (hieu van)) am thuc va dinh van cua te*.