Perhaps you should try some spelling variations:
douglas mair » douglas mary, douglas a, douglas m
feng douglas » zeng douglas, long douglas, farr douglas
first thing » first things, first hint, first third
yang yang » wang yang, wang yan
yang yan » wang yan, yang fan, yang yao
last » east, past, list

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: daun ((yang yan) OR (yang yang)) his ((first thing) OR (last thing)) feng douglas mair ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "daun ((yang yan) OR (yang yang)) his ((first thing) or (last thing)) feng douglas mair ;~".
• Adding a wildcard symbol may retrieve word variants: daun ((yang yan) OR (yang yang)) his ((first thing) or (last thing)) feng douglas mair ;*.