Perhaps you should try some spelling variations:
yan guan » gan guan, yan yuan, yang guang
guan der » sudan der, van der, juan de
run gain » run pain
yang jun » yang jui, pang jun, yang jin
yang jie » yang jin, yang di, yang jui
hong hai » shang hai, zhong tai, dang hai
der run » der grun, der ruf, der raum
yang xi » yang di, yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: yan guan der run gain ((((yang xi) or (yang jun))) or (((yang jie) or (yang judy)))) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yan guan der run gain ((((yang xi) OR (yang jun))) OR (((yang jie) OR (yang judy)))) hong hai ;.
• Adding a wildcard symbol may retrieve word variants: yan guan der run gain ((((yang xi) or (yang jun))) or (((yang jie) or (yang judy)))) hong hai ;*.