Perhaps you should try some spelling variations:
motets history » contents history, forests history, magnets history
motif history » motion history, motive history, motifs histone
reef history » brief history, reeves history, reef fishery
20th century » 18th century
imf history » brief history
2 germany » 12 germany, 7 germany, 2 german
20 20th » 90 20th, 2019 20th, 2020 20th

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: %22agriculture AND state %2 germany %((((reef history) OR (((motif history) OR (motets history))))) OR (imf history)) %20 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %2 germany %((((reef history) or (((motif history) OR (motets history))))) or (imf history)) %20 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %2 germany %((((reef history) or (((motif history) OR (motets history))))) or (imf history)) %20 20th century%22*.