Perhaps you should try some spelling variations:
astronomy science » astronomy space, astronomy ancient
springer science » stronger science, spring resilience, river science
springer springe » spring spring, springer series, springer spaniel
business metrics » business methods, business meetings
business mexico » business media, business meaning, business meeting
better science » between science, better evidence, water science

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: ((((((springer science) OR (springer springe))) OR (better science))) OR (astronomy science)) ((business mexico) OR (business metrics)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((springer science) or (springer springe))) or (better science))) or (astronomy science)) ((business mexico) OR (business metrics))".
• Adding a wildcard symbol may retrieve word variants: ((((((springer science) or (springer springe))) or (better science))) or (astronomy science)) ((business mexico) OR (business metrics))*.