Perhaps you should try some spelling variations:
coastal state » coastal states, coastal water, coastal sand
del literatur » model literatur, teil literatur, igel literatur
studies lca » studies lia, studies local, studies lead
studies la » studies lab, studies lia, studies l2

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: "coastal state ((studies la) OR (studies lca)) filosofia del literatur".
• Adding a wildcard symbol may retrieve word variants: coastal state ((studies la) OR (studies lca)) filosofia del literatur*.