Perhaps you should try some spelling variations:
things era » things here, things were, things a
wang deng » wang peng, wang zheng, wang yang
deng gang » den gang, der gang, gong gang
dann bin » dong bin
3 smart » a smart, 4 smart, 3.2 smart
gang 3 » gang _, lang 3, wang 3
sind » find, wind, kind

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang deng gang 3 smart things era ((dann bin) OR (dong (sin OR sind))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang deng gang 3 smart things era ((dann bin) or (dong (sin OR sind))) ;~".
• Adding a wildcard symbol may retrieve word variants: wang deng gang 3 smart things era ((dann bin) or (dong (sin OR sind))) ;*.