Perhaps you should try some spelling variations:
motif history » motion history, motive history, motets history
20th century » 18th century
imf history » brief history
etf history » reef history, ref history, beruf history
tnf history » ref history, stone history, reef history
21 germany » 11 germany, 20 germany, 7 germany
12 germany » 11 germany, 12 german, 14 germany
2f germany » 20 germany, 25 germany, 26 germany
2 germany » 7 germany, 2 german, 8 germany
2f 20th » 20 20th, 2.2 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 %((((2f germany) OR (((2 germany) OR (12 germany))))) OR (21 germany)) %((((((tnf history) OR (motif history))) OR (etf history))) OR (imf history)) %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22agriculture and state %((((2f germany) or (((2 germany) OR (12 germany))))) or (21 germany)) %((((((tnf history) or (motif history))) or (etf history))) or (imf history)) %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22agriculture and state %((((2f germany) or (((2 germany) OR (12 germany))))) or (21 germany)) %((((((tnf history) or (motif history))) or (etf history))) or (imf history)) %2f 20th century%22*.