Perhaps you should try some spelling variations:
yuan yang » yuan ying, yuan fang, yuan yan
yang shu » yang shun, wang shu, tang shu
dai dian » dai xian, dai qian, dai han
guan han » guan tan, guan lan, guan nan
han hui » chan hui, huan hui, tan hui
san wen » tan wen
shu di » shu xi, shu de, shu li
de di » de yi, de li, de ji

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: (( yuan yang shu di ((dai dian) OR (ci dian)) wen da xi. ) OR ( guan han hui de di san wen da xi. ))~.
• Adding a wildcard symbol may retrieve word variants: (( yuan yang shu di ((dai dian) or (ci dian)) wen da xi. ) or ( guan han hui de di san wen da xi. ))*.