Perhaps you should try some spelling variations:
stadte things » strange things, same things
things here » things were, things era, things have
wang liang » wang yang
zwang 12.1 » zwang 2.2, zwange 32.10
zwang 2.3 » zwang 2.2, zwang 13, zwang 3.2
dong bin » dong sin, dong di, dann bin

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 liang ((zwang 2.3) OR (zwang 12.1)) stadte things here ((tan hong) OR (dong bin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((zwang 2.3) OR (zwang 12.1)) stadte things here ((tan hong) or (dong bin)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ((zwang 2.3) OR (zwang 12.1)) stadte things here ((tan hong) or (dong bin)) ;*.