Perhaps you should try some spelling variations:
"84 united states congress" » "8 united states congress", "14 united states congress", "34 united states congress", "814 united states congress", "84 unified states congress", "84 unit states congress"
"4 united states congress" » "14 united states congress", "4 unified states congress", "4 unit states congress"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"84 united states congress\") OR (\"4 united states congress\"))".
• Removing quotes may allow a broader search: (( 84 united states congress ) OR ( 4 united states congress )).
• Adding a wildcard symbol may retrieve word variants: (("84 united states congress") OR ("4 united states congress"))*.