Perhaps you should try some spelling variations:
information series » information services, information service, information sources
innovation series » innovation systems, innovation system
soil information » social information, school information, local information
senegal social » essential social
nepal social » local social
palm soil » palm oil

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: (( palm soil information series ) OR ( ((nepal social) OR (senegal social)) innovation series ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( palm soil information series ) or ( ((nepal social) OR (senegal social)) innovation series ))~".
• Adding a wildcard symbol may retrieve word variants: (( palm soil information series ) or ( ((nepal social) OR (senegal social)) innovation series ))*.