Perhaps you should try some spelling variations:
del literature » model literature, abel literature, fuel literature
lca filosofia » la filosofia, alla filosofia, a filosofia
studies lca » studies lia, studies local, studies lead
best scale » bast scale, burst scale, best sales
rest scale » rust scale, great scale, tests scale

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((best scale) OR (rest scale)) studies lca filosofia del literature".
• Adding a wildcard symbol may retrieve word variants: ((best scale) OR (rest scale)) studies lca filosofia del literature*.