Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yong
yuan ting » yuan ming, huang ting, yuan lin
yuan kang » yuan wang, yuan chang, chan kang
der wert » der werte, der welt, der weg
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
yan der » van der, man der
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang yan der wert ((((yuan ting) OR (yuan kang))) or (((yang jin) or (yang jie)))) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yan der wert ((((yuan ting) OR (yuan kang))) OR (((yang jin) OR (yang jie)))) hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yan der wert ((((yuan ting) OR (yuan kang))) or (((yang jin) or (yang jie)))) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: wang wang yan der wert ((((yuan ting) OR (yuan kang))) or (((yang jin) or (yang jie)))) hong yu ;*.