Perhaps you should try some spelling variations:
human dong » human dog, human donor, human bone
dong young » kong young, among young, young young
young john » kong john, wong john, young jean
yang yang » wang yang
john song » john wong, john bonn, john ngosong
yang fan » zhang fan, yang dean, yang jin
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((wang yan) or (((yang fan) OR (yang yang)))) human dong young john song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((wang yan) OR (((yang fan) OR (yang yang)))) human dong young john song shin ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((wang yan) or (((yang fan) OR (yang yang)))) human dong young john song shin ;".
• Adding a wildcard symbol may retrieve word variants: dong ((wang yan) or (((yang fan) OR (yang yang)))) human dong young john song shin ;*.