Perhaps you should try some spelling variations:
first thinks » first things, first thing, first ethics
douglas mair » douglas mary, douglas a, douglas m
ying yang » yang yang, ying chang, wang yang
yin yang » yi yang, yin fang, yin hang
last » east, past, list
thing » things, think, thin
zeng » eng, feng, peng

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 ((ying yang) OR (yin yang)) xi ((first thinks) OR (last thing)) zeng douglas mair ;~.
• Adding a wildcard symbol may retrieve word variants: tan ((ying yang) or (yin yang)) xi ((first thinks) or (last thing)) zeng douglas mair ;*.