Perhaps you should try some spelling variations:
"the patrick moore practical astronomy sergey" » "the patrick moore nautical astronomy sergey", "the patrick moore optical astronomy sergey", "the patrick moore practical astronomy survey", "the patrick moore practical astronomy seven", "the patrick moore practical astronomy large", "the patrick more practical astronomy sergey", "the patrick moocs practical astronomy sergey", "the patrick mouse practical astronomy sergey", "the patrick _oore practical astronomy sergey", "the patrick aoore practical astronomy sergey"
"the patrick moore practical astronomy surveys" » "the patrick moore nautical astronomy surveys", "the patrick moore optical astronomy surveys", "the patrick moore practical astronomy survey", "the patrick moore practical astronomy surveying", "the patrick moore practical astronomy survives", "the patrick more practical astronomy surveys", "the patrick moocs practical astronomy surveys", "the patrick mouse practical astronomy surveys", "the patrick _oore practical astronomy surveys", "the patrick aoore practical astronomy surveys"
"the patrick m positional astronomy between" » "the patrick m positional antinomy between", "the patrick _ positional astronomy between", "the patrick 8 positional astronomy between", "the patrick a positional astronomy between"
"the patrick m political economy between" » "the patrick m political dichotomy between", "the patrick vom political economy between", "the patrick from political economy between", "the patrick term political economy between", "the patrick _ political economy between", "the patrick a political economy between"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the patrick moore practical astronomy sergey") OR ("the patrick moore practical astronomy surveys"))) OR ((("the patrick m positional astronomy between") OR ("the patrick m political economy between")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moore practical astronomy sergey\") OR (\"the patrick moore practical astronomy surveys\"))) or (((\"the patrick m positional astronomy between\") or (\"the patrick m political economy between\"))))".
• Removing quotes may allow a broader search: (((( the patrick moore practical astronomy sergey ) OR ( the patrick moore practical astronomy surveys ))) or ((( the patrick m positional astronomy between ) or ( the patrick m political economy between )))).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moore practical astronomy sergey") OR ("the patrick moore practical astronomy surveys"))) or ((("the patrick m positional astronomy between") or ("the patrick m political economy between"))))*.