Perhaps you should try some spelling variations:
"terrestrial networks. historical studies" » "industrial networks. historical studies"
"sequence networks. historical studies" » "frequency networks. historical studies", "influence networks. historical studies", "reference networks. historical studies"
"sequence networks. historical survey" » "frequency networks. historical survey", "influence networks. historical survey", "reference networks. historical survey"

Try widening your search to All Fields.

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: (((("sequence networks. historical studies") OR ("sequence networks. historical survey"))) OR ((("sequential networks. historical studies") OR ("terrestrial networks. historical studies")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sequence networks. historical studies\") OR (\"sequence networks. historical survey\"))) or (((\"sequential networks. historical studies\") or (\"terrestrial networks. historical studies\"))))".
• Removing quotes may allow a broader search: (((( sequence networks. historical studies ) OR ( sequence networks. historical survey ))) or ((( sequential networks. historical studies ) or ( terrestrial networks. historical studies )))).
• Adding a wildcard symbol may retrieve word variants: (((("sequence networks. historical studies") OR ("sequence networks. historical survey"))) or ((("sequential networks. historical studies") or ("terrestrial networks. historical studies"))))*.