Perhaps you should try some spelling variations:
astronomy survives » astronomy survey, astronomy surveys, astronomy studies
optical astronomy » nautical astronomy, spherical astronomy, positional astronomy
astronomy series » astronomy sergey, gastronomy services, astronomy studies
patrick moire » patrick moore, patrick mkie, patrick meir
moire optical » more optical, fibre optical, aware optical
patrick core » patrick corr, patrick moore, patrick corsi
core optical » large optical, wave 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 core optical astronomy series ) OR ( the patrick moire optical astronomy survives )).
• Adding a wildcard symbol may retrieve word variants: (( the patrick core optical astronomy series ) or ( the patrick moire optical astronomy survives ))*.