Perhaps you should try some spelling variations:
astronomy surveys » astronomy survey, astronomy surveying, astronomy survives
optical astronomy » nautical astronomy, spherical astronomy
astronomy sergey » astronomy survey, astronomy seven, astronomy large
gene positional » game positional, gene position, guenon positional
moore optical » moire optical, more optical, core optical
patrick gene » patrick glenn, patrick penel, patrick anne

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 sergey ) OR ( the patrick gene positional astronomy surveys )).
• Adding a wildcard symbol may retrieve word variants: (( the patrick moore optical astronomy sergey ) or ( the patrick gene positional astronomy surveys ))*.