Perhaps you should try some spelling variations:
dean besitz » den besitz, der besitz
zhang ying » zhang ming, zhang jing, zhang ping
ying yang » yang yang, yin yang, ying chang
john song » john wong, john bonn, john ngosong
jin song » jie song, kim song, jin ying
yong suk » chong suk, cong sun, rong su

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

• Performing a fuzzy search may retrieve terms with similar spellings: zhang ying yang dean besitz ((jin song) OR (john song)) yong suk ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "zhang ying yang dean besitz ((jin song) OR (john song)) yong suk ;".
• Adding a wildcard symbol may retrieve word variants: zhang ying yang dean besitz ((jin song) OR (john song)) yong suk ;*.