Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thai cua » than cua, tai cuc, tri cua
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
hai cua » dai cua, hoi cua, lai cua
van am » van nam, van lam, van dam
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: tu cac ky nang x hoi. hieu van am thuc va dinh ((hai cua) OR (thai cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang x hoi. hieu van am thuc va dinh ((hai cua) OR (thai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang x hoi. hieu van am thuc va dinh ((hai cua) OR (thai cua)) triet*.