Perhaps you should try some spelling variations:
22great britain » great britain, xgreat britain, zgreat britain
21 politics » 1 politics, 11 politics, 20 politics
2 politics » 3 politics, 2 political, 2 politische
20 1714 » 20th 1714

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: %22great britain %((21 politics) OR (2 politics)) AND government %20 1714-1760%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22great britain %((21 politics) OR (2 politics)) and government %20 1714-1760%22".
• Adding a wildcard symbol may retrieve word variants: %22great britain %((21 politics) OR (2 politics)) and government %20 1714-1760%22*.