Perhaps you should try some spelling variations:
brazilian general » brazilian central, brazilian funeral, brazilian energy
brazilian rural » brazilian natural, brazilian central, brazilian cordel
18 brazilian » 1 brazilian, 13 brazilian, 10 brazilian
election » selection

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: (( 1998 ((brazilian rural) OR (brazilian federal)) reflections ) OR ( 18 brazilian general election )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( 1998 ((brazilian rural) OR (brazilian federal)) reflections ) or ( 18 brazilian general election ))".
• Adding a wildcard symbol may retrieve word variants: (( 1998 ((brazilian rural) OR (brazilian federal)) reflections ) or ( 18 brazilian general election ))*.