Perhaps you should try some spelling variations:
practical astronomy » nautical astronomy, optical astronomy, positional astronomy
astronomy surveys » astronomy survey, astronomy surveying, astronomy survives
mics practical » ics practical, micro practical, moocs practical
patrick mics » patrick mons, patrick michel, patrick maill

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

• Adding a wildcard symbol may retrieve word variants: the patrick mics practical astronomy surveys*.