Perhaps you should try some spelling variations:
sequence networks » frequency networks, sequential networks, influence networks
science networks » sciences network, science works, alliance networks
science network » sciences network, science work

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: (((( science networks. historical survey ) OR ( sequence networks. historical survey ))) OR ( science network. historical survey )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( science networks. historical survey ) OR ( sequence networks. historical survey ))) or ( science network. historical survey ))".
• Adding a wildcard symbol may retrieve word variants: (((( science networks. historical survey ) OR ( sequence networks. historical survey ))) or ( science network. historical survey ))*.