Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
ban cua » ban quan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
nang o » nang co, nang ho, nang ro
do cua » doi cua, co cua, de cua
o hoi » co hoi, o hoc, o hai
ve am » va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang o hoi. hieu ve am thuc va danh ((do cua) or (ban cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang o hoi. hieu ve am thuc va danh ((do cua) OR (ban cua)) viet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang o hoi. hieu ve am thuc va danh ((do cua) or (ban cua)) viet*.