Perhaps you should try some spelling variations:
2f politics » 2 politics, 20 politics, 21 politics
11 politics » 1 politics, 11 political, 11 politische
28 1718 » 28 1798, 28 1788, 28 1708
28 1778 » 27 1778, 28 1798, 28 1776
27 1718 » 27 1778, 27 1708, 27 1758

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: %22sweden %((2f politics) OR (11 politics)) AND government %((((28 1718) OR (28 1778))) OR (27 1718))-1772%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22sweden %((2f politics) or (11 politics)) and government %((((28 1718) OR (28 1778))) or (27 1718))-1772%22".
• Adding a wildcard symbol may retrieve word variants: %22sweden %((2f politics) or (11 politics)) and government %((((28 1718) OR (28 1778))) or (27 1718))-1772%22*.