Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
liang ying » liang liying, huang ying, zhang ying
liang yan » liang dan, liang tan, wang yan
hua cheng » hua chen, huang cheng, yuan cheng
tan yong » tan hong, tan kong, tan yang
fan ying » fan xing, ran ying, tan ying

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 ((liang yan) OR (liang ying)) hua cheng zhang ((tan yong) OR (fan ying)) ago ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang yan) OR (liang ying)) hua cheng zhang ((tan yong) or (fan ying)) ago ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((liang yan) OR (liang ying)) hua cheng zhang ((tan yong) or (fan ying)) ago ;*.