Perhaps you should try some spelling variations:
"the patrick dobel practical astronomy sergey" » "the patrick dobel optical astronomy sergey", "the patrick dobel practical astronomy survey", "the patrick dobel practical astronomy surveys", "the patrick dobel practical astronomy seven", "the patrick model practical astronomy sergey", "the patrick novel practical astronomy sergey", "the patrick globes practical astronomy sergey", "the patrick del practical astronomy sergey", "the patrick robert practical astronomy sergey", "the patrick dale practical astronomy sergey"
"the patrick dobel positional astronomy sergey" » "the patrick dobel positional astronomy survey", "the patrick dobel positional astronomy surveys", "the patrick dobel positional astronomy seven", "the patrick power positional astronomy sergey", "the patrick weber positional astronomy sergey", "the patrick rebel oppositional astronomy sergey", "the patrick del positional astronomy sergey", "the patrick robert positional astronomy sergey", "the patrick dale positional astronomy sergey"
"the patrick nos nautical astronomy sergey" » "the patrick nos nautical astronomy survey", "the patrick nos nautical astronomy surveys", "the patrick nos nautical astronomy seven", "the patrick logs nautical astronomy sergey", "the patrick hoc nautical astronomy sergey", "the patrick some nautical astronomy sergey", "the patrick nomo nautical astronomy sergey", "the patrick bas nautical astronomy sergey", "the patrick n nautical astronomy sergey"

Try widening your search to All Fields.

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 dobel practical astronomy sergey") OR ("the patrick dobel positional astronomy sergey"))) OR ("the patrick nos nautical astronomy sergey")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick dobel practical astronomy sergey\") OR (\"the patrick dobel positional astronomy sergey\"))) or (\"the patrick nos nautical astronomy sergey\"))".
• Removing quotes may allow a broader search: (((( the patrick dobel practical astronomy sergey ) OR ( the patrick dobel positional astronomy sergey ))) or ( the patrick nos nautical astronomy sergey )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick dobel practical astronomy sergey") OR ("the patrick dobel positional astronomy sergey"))) or ("the patrick nos nautical astronomy sergey"))*.