Perhaps you should try some spelling variations:
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
dong sind » dong sin, dong bin, dong ping
chen wang » chen yang, chen rong, chen ping
qing long » going long, using long
qin tong » xin tong
yu chen » yu cheng, yi chen, yulu chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yang yang) or (wang yang))) or (dong sind)) ya yu chen wang ((qin tong) OR (qing long)) hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang yang) OR (wang yang))) OR (dong sind)) ya yu chen wang ((qin tong) OR (qing long)) hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang yang) or (wang yang))) or (dong sind)) ya yu chen wang ((qin tong) OR (qing long)) hui ;*".