Perhaps you should try some spelling variations:
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
min zhong » min hong, tin hong, amin hong
zhong zhi » zhang zhi, hong ghi, zhong tai
a region » a regional
dong di » dong sin
yan min » han min, kan min, yang mind
a rein » a reine, a reit

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 di)) ya ((a rein) OR (a region)) yan min zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang yang) OR (wang yang))) OR (dong di)) ya ((a rein) OR (a region)) yan min zhong zhi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang yang) or (wang yang))) or (dong di)) ya ((a rein) OR (a region)) yan min zhong zhi ;".
• Adding a wildcard symbol may retrieve word variants: ((((yang yang) or (wang yang))) or (dong di)) ya ((a rein) OR (a region)) yan min zhong zhi ;*.