Perhaps you should try some spelling variations:
reformers john » reformers how
reformers juan » reformers what
david young » david loundy
yang liang » wang liang, yang yang, peng liang
yan liang » wang liang, you liang, yan wang
young ghi » young choi, hong ghi, young get

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 liang) OR (yan liang)) iii ((reformers juan) OR (reformers john)) david young ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dan ((yang liang) or (yan liang)) iii ((reformers juan) OR (reformers john)) david young ghi ;~".
• Adding a wildcard symbol may retrieve word variants: dan ((yang liang) or (yan liang)) iii ((reformers juan) OR (reformers john)) david young ghi ;*.