Perhaps you should try some spelling variations:
practical astronomy » nautical astronomy, optical astronomy, positional astronomy
astronomy surveys » astronomy surveying, astronomy survives, astronomy sergey
astronomy survey » astronomy sergey, autonomy survey, astronomy surveying
moyes practical » modes practical, movies practical, moraes practical
does practical » notes practical, does practice, globes practical
patrick moyes » patrick keyes, patrick mayen, patrick mons
patrick does » patrick dobel, patrick de, patrick del

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 does practical astronomy surveys ) OR ( the patrick moyes practical astronomy survey )).
• Adding a wildcard symbol may retrieve word variants: (( the patrick does practical astronomy surveys ) or ( the patrick moyes practical astronomy survey ))*.