Perhaps you should try some spelling variations:
david hong » david ng
wang yang » wang yan, wang liang, wang yanling
zwang iii » zugang iii, klang iii
yang zili » yang dali, yang li
die david » de david, dawe david, time david
form die » formel die, formen die, former die
hong hai » shang hai, zhong tai, dang hai

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 yang ((((yang di) OR (zwang iii))) OR (yang zili)) form die david hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((((yang di) or (zwang iii))) or (yang zili)) form die david hong hai ;*.