Perhaps you should try some spelling variations:
hanh dao » lanh dao, thanh dat, thanh dam
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, ban hanh
dao cua » dai cua, day cua, dan cua
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
nang o » nang co, nang ho, nang ro
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 dan ky nang o hoi. hieu ve am thuc va hanh dao cua vat~.
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang o hoi. hieu ve am thuc va hanh dao cua vat*.