Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang
zwang iii » zugang iii, klang iii
yang dali » yang di, bang dai, yang all
david ng » david g, david n, david a
i david » 2 david, die david, iii david
form i » form _, form a, reform i
ng hai » dang hai, hong 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) OR (wang yanling)) ((zwang iii) OR (yang dali)) form i david ng hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) OR (wang yanling)) ((zwang iii) or (yang dali)) form i david ng hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) OR (wang yanling)) ((zwang iii) or (yang dali)) form i david ng hai ;*.