Perhaps you should try some spelling variations:
astronomy science » astronomy space, astronomy ancient
springer science » spring resilience, river science, springer springe
stronger science » stronger evidence, stronger stance, stronger guidance
business model » business models

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