Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
klang iii » klang die, zwang iii
yang zili » yang dali, yang li
yang all » wang all, yang dali, yang li
david ng » david g, david a, david _
david n » david a, david _, david k
form i » form _, form a, reform i

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 ((((klang iii) OR (yang zili))) OR (yang all)) form i ((david ng) OR (david n)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((((klang iii) or (yang zili))) or (yang all)) form i ((david ng) OR (david n)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang ((((klang iii) or (yang zili))) or (yang all)) form i ((david ng) OR (david n)) hai ;*.