Perhaps you should try some spelling variations:
"guan cheng hui de yi tan wen da xi." » "tan cheng hui de yi tan wen da xi.", "guan chen hui de yi tan wen da xi.", "guan cheng hua de yi tan wen da xi.", "guan heng hui de yi tan wen da xi."
"yuan yang hui li dai nian wen da xi." » "yuan ying hui li dai nian wen da xi.", "yuan fang hui li dai nian wen da xi.", "yuan yan hui li dai nian wen da xi.", "yuan yang chui li dai nian wen da xi.", "yuan yang hu li dai nian wen da xi.", "yuan yong hui li dai nian wen da xi.", "yuan yang hui li bai nian wen da xi.", "yuan yang hui li gai nian wen da xi.", "yuan yang hui li dai xian wen da xi.", "yuan yang hui li dai dian wen da xi.", "yuan yang hui li dai tian wen da xi.", "yuan yang hui li dai nian feng da xi.", "yuan yang hui ji dai nian wen da xi.", "yuan yang hui ling dai nian wen da xi."

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 hui li dai nian wen da xi.") OR ("guan cheng hui de yi tan wen da xi."))~.
• Removing quotes may allow a broader search: (( yuan yang hui li dai nian wen da xi. ) or ( guan cheng hui de yi tan wen da xi. ))~.
• Adding a wildcard symbol may retrieve word variants: (("yuan yang hui li dai nian wen da xi.") or ("guan cheng hui de yi tan wen da xi."))*.