Perhaps you should try some spelling variations:
sobere spherical » sphere spherical, spheres spherical, some spherical
moore spherical » smooth spherical, pole spherical, smoke spherical
astronomy seven » astronomy some, astronomy science, astronomy between

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "the patrick ((moore spherical) OR (sobere spherical)) astronomy seven".
• Adding a wildcard symbol may retrieve word variants: the patrick ((moore spherical) OR (sobere spherical)) astronomy seven*.