Perhaps you should try some spelling variations:
literature author » literature arts
literature oral » literature moral, literatura oral, literature morals
key literature » grey literature, gray literature, body literature
159 agenda » 1979 agenda, 10 agenda, 12 agenda
amanda ii » bamenda ii, amanda l, amanda j
1 agenda » _ agenda, 7 agenda, 3 agenda
2 amanda » _ amanda, 1 amanda, 6 amanda

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: (( ((159 agenda) OR (1 agenda)) i a literature oral ) OR ( 2 amanda ii key literature author ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((159 agenda) OR (1 agenda)) i a literature oral ) or ( 2 amanda ii key literature author ))*".