Perhaps you should try some spelling variations:
douglas mair » douglas mary, douglas a, douglas m
eng douglas » zeng douglas, long douglas, webb douglas
east thing » last thing, last things, east china
dan yang » daun yang, tan yang, wang yang
yang his » yang chik, yang di, yang xi
un yang » daun yang, hui yang, tan yang

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: ((dan yang) OR (un yang)) yang his ((first things) OR (east thing)) eng douglas mair ;~.
• Adding a wildcard symbol may retrieve word variants: ((dan yang) or (un yang)) yang his ((first things) or (east thing)) eng douglas mair ;*.