Perhaps you should try some spelling variations:
gastronomy services » gastronomic services, gastronomic service, astronomy survives
optical gastronomy » opticks astronomy, optics astronomy, local gastronomy
optical astronomy » positional astronomy
astronomy series » astronomy sergey, astronomy survives, astronomy studies
core spherical » case spherical, pole spherical, some spherical
patrick core » patrick corr, patrick corsi, patrick coyle
core optical » large optical

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: (( the patrick moore ((optical astronomy) OR (nautical astronomy)) series ) OR ((( the patrick core spherical astronomy series ) OR ( the patrick core optical gastronomy services )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( the patrick moore ((optical astronomy) OR (nautical astronomy)) series ) or ((( the patrick core spherical astronomy series ) or ( the patrick core optical gastronomy services ))))".
• Adding a wildcard symbol may retrieve word variants: (( the patrick moore ((optical astronomy) OR (nautical astronomy)) series ) or ((( the patrick core spherical astronomy series ) or ( the patrick core optical gastronomy services ))))*.