Perhaps you should try some spelling variations:
david dang » david ian, david mant
wen wang » wei wang, chen wang, weng fang
wang lin » wang li, wang qin, yang lin
reform a » reform _
david ng » david g, david n, david a
yang li » yang lin, yang di, yang xi
hari » hard, hadi, haji

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wen wang ((yang li) or (wang lin)) reform a ((david dang) OR (david ng)) hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wen wang ((yang li) OR (wang lin)) reform a ((david dang) OR (david ng)) hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wen wang ((yang li) or (wang lin)) reform a ((david dang) OR (david ng)) hari ;*".