Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yan yuan » yan guan, fang yuan, nan yan
li zhang » _ zhang
gong min » jong min, song min, gong meng
yan tan » tan tan, yan clan, yan guan
zhang a » zhang ya, zhang _, zhang i
a gong » a gongo
wang » wing, wan, lang
bohua » baohua, mohua, bohun

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: wang ((((yan tan) OR (yang guang))) OR (yan yuan)) bohua li zhang a gong min ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((((yan tan) or (yang guang))) or (yan yuan)) bohua li zhang a gong min ;*.