Perhaps you should try some spelling variations:
12 probiotics » 14 probiotics, 2 probiotics, 10 probiotics
12 politics » 12 political, 12 politische
20 politics » 10 politics, 21 politics, 20 political
2 politics » 3 politics, 2 political, 2 politische
29 1718 » 29 1798, 29 1713, 29 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: %22sweden %((((12 politics) OR (12 probiotics))) OR (((20 politics) OR (2 politics)))) AND government %29 1718-1772%22.
• Adding a wildcard symbol may retrieve word variants: %22sweden %((((12 politics) or (12 probiotics))) or (((20 politics) or (2 politics)))) and government %29 1718-1772%22*.