Perhaps you should try some spelling variations:
douglas mair » douglas mary, douglas a, douglas m
yang yang » wang yang, wang yan
tan yang » dan yang, tan ying, tan yong
yang his » yang chik, yang di, yang xi
last » east, past, list
things » thinks, thins
thing » think, thin
zeng » eng, feng, peng

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tan yang yang his ((first things) or (last thing)) zeng douglas mair ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan yang yang his ((first things) OR (last thing)) zeng douglas mair ;*.