Perhaps you should try some spelling variations:
ve triet » va trien, su triet
tu nano » truc nano
mot hoi » mot khoi, mot thoi, mot doi
sanh tu » anh tu, danh tu, hanh tu
dinh cu » dinh cuu, dinh chuc, dinh chau
so sanh » do sanh
mo hoi » mo phoi, mo hoc, co hoi
va cao » va cac, va co, va dao
xuc va » tuc va, luc va, xac va
cu ve » cuu ve, cua ve, cu va

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 tu nano ((mot hoi) or (mo hoi)). lieu va cao ((xuc va) OR (duc va)) dinh cu ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh tu nano ((mot hoi) OR (mo hoi)). lieu va cao ((xuc va) OR (duc va)) dinh cu ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh tu nano ((mot hoi) or (mo hoi)). lieu va cao ((xuc va) OR (duc va)) dinh cu ve triet".
• Adding a wildcard symbol may retrieve word variants: so sanh tu nano ((mot hoi) or (mo hoi)). lieu va cao ((xuc va) OR (duc va)) dinh cu ve triet*.