Perhaps you should try some spelling variations:
brown douglas » irwin douglas, john douglas
first beings » first things, first fringes, first big
dowd douglas » cobb douglas, john douglas
end douglas » zeng douglas, long douglas, ward douglas
tan kong » tan hong
mainz 2 » mainz 12, mainz i, main 2

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: tan kong mainz 2 first beings ((end douglas) OR (((dowd douglas) OR (brown douglas)))) b ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan kong mainz 2 first beings ((end douglas) or (((dowd douglas) OR (brown douglas)))) b ;~".
• Adding a wildcard symbol may retrieve word variants: tan kong mainz 2 first beings ((end douglas) or (((dowd douglas) OR (brown douglas)))) b ;*.