Perhaps you should try some spelling variations:
sequence networks » sequential networks, influence networks, reference networks
science networks » science network, sciences network, alliance networks
science works » science world, science parks, science workshop

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