Perhaps you should try some spelling variations:
kong planning » land planning, cost planning, dose planning
wang daoping » wang xiaoping, wang danning, wang xiaobing
daoping yang » dong yang
kong anming » fang hanming
der besitz » der best, des besitzes
dish best » dish es, gis best
hong » long

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 daoping yang ((dish best) OR (der besitz)) hong ((kong anming) OR (kong planning)) su ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang daoping yang ((dish best) or (der besitz)) hong ((kong anming) OR (kong planning)) su ;~".
• Adding a wildcard symbol may retrieve word variants: wang daoping yang ((dish best) or (der besitz)) hong ((kong anming) OR (kong planning)) su ;*.