Perhaps you should try some spelling variations:
"1998 brazilian general election" » "1998 brazilian federal election", "1998 brazilian central election", "1998 brazilian funeral election", "19th brazilian general election", "16th brazilian general election", "17th brazilian general election"
"12th brazilian general election" » "12th brazilian federal election", "12th brazilian central election", "12th brazilian funeral election", "2 brazilian general election"
"18 brazilian rural education" » "18 brazilian natural education", "18 brazilian federal education", "18 brazilian central education", "18 brazilian moral education", "18 brazilian formal education", "18 brazilian legal education", "1 brazilian rural education", "13 brazilian rural education", "10 brazilian rural education"

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: (("18 brazilian rural education") OR ((("1998 brazilian general election") OR ("12th brazilian general election")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"18 brazilian rural education\") or (((\"1998 brazilian general election\") OR (\"12th brazilian general election\"))))".
• Removing quotes may allow a broader search: (( 18 brazilian rural education ) or ((( 1998 brazilian general election ) OR ( 12th brazilian general election )))).
• Adding a wildcard symbol may retrieve word variants: (("18 brazilian rural education") or ((("1998 brazilian general election") OR ("12th brazilian general election"))))*.