Perhaps you should try some spelling variations:
david dang » david ian, david mant, david ng
zwang iii » zugang iii, klang iii
die david » de david, dawe david, time david
form die » formel die, formen die, former die
lang di » yang di, wang di, klang die
wang » wan
zwang » zwan
hai » hadi, haji, hari

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 OR wing) yanling ((zwang iii) OR (lang di)) form die david dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR wing) yanling ((zwang iii) or (lang di)) form die david dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: (wang OR wing) yanling ((zwang iii) or (lang di)) form die david dang hai ;*.