Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
thin lens » thin line, thin end
his land » das land, eds land, his last
als last » als gast, a last, his last
dong bin » dong sin, dann bin
dong di » dong sin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang ((his land) or (als last)) thin lens ((dong bin) or (dong di)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang ((his land) OR (als last)) thin lens ((dong bin) OR (dong di)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yang ((his land) or (als last)) thin lens ((dong bin) or (dong di)) ;*.