Perhaps you should try some spelling variations:
tang gong » gang gong, tang tang, zong gong
gong meng » gong gang, gong min
meng yuan » meng hsuan, fang yuan, feng juan
yang jing » wang jing, huang jing, yang liang
yuan kai » yuan kang, yuan fei, tan kai
yang jin » yang jie, yang jun, ying jin
fang hay » eang hay, dang hai, fang a

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tang gong meng yuan kai ((yang jing) OR (yang jin)) fang hay ;~".
• Adding a wildcard symbol may retrieve word variants: tang gong meng yuan kai ((yang jing) OR (yang jin)) fang hay ;*.