Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
nang ha » nang hai, nang han, nang hoa
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan
di cua » dai cua, doi cua, de cua
tu ban » thu ban, te ban
ban ky » van ky, dan ky
ve nam » he nam, va nam, le nam
ha hoi » hoa hoi, ha noi, xa hoi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ky nang ha hoi. hieu ve nam ((thuc va) OR (thuc day)) hanh ((di cua) OR (vai cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ban ky nang ha hoi. hieu ve nam ((thuc va) OR (thuc day)) hanh ((di cua) or (vai cua)) triet~".
• Adding a wildcard symbol may retrieve word variants: tu ban ky nang ha hoi. hieu ve nam ((thuc va) OR (thuc day)) hanh ((di cua) or (vai cua)) triet*.