Perhaps you should try some spelling variations:
ve triet » va trien, su triet
so sanh » do sanh
sanh ly » sinh ly, doanh ly, khanh ly
ly hang » ly quang
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, ban hanh
hang o » hang do, hang o2, hoang o
va cau » van cau, va cac, va dau
o hoi » co hoi, o hoc, o hai
vi ve » va ve, gi ve, ve ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ly hang o hoi. hieu va cau truc va hanh vi ve triet~.
• Adding a wildcard symbol may retrieve word variants: so sanh ly hang o hoi. hieu va cau truc va hanh vi ve triet*.