Perhaps you should try some spelling variations:
22new spain » new spain
2 politics » 3 politics, 2 political, 2 politische
f sources » 2 sources, 4 sources, 5 sources
1 sources » 2 sources
3 sources » 2 sources

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: %22new spain %2 politics AND government %2f 18th century %((((f sources) OR (((1 sources) OR (3 sources))))) OR (2((1 sources) OR (3 sources))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22new spain %2 politics and government %2f 18th century %((((f sources) or (((1 sources) OR (3 sources))))) or (2((1 sources) OR (3 sources))))%22".
• Adding a wildcard symbol may retrieve word variants: %22new spain %2 politics and government %2f 18th century %((((f sources) or (((1 sources) OR (3 sources))))) or (2((1 sources) OR (3 sources))))%22*.