Perhaps you should try some spelling variations:
wang klang » wang liang, wang yang, lang lang
david dang » david ian, david mant
klang iii » klang die, zwang iii
form palm » form als, from palm
yan wang » yuan wang, yang yang, qian wang
form das » form des, formen das, form data
david ng » david g, david n, david a

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

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