Perhaps you should try some spelling variations:
david dang » david ian, david ng
david mant » david ian, david ma, david malone
wan wang » wen wang, yan wang, wang yang
yang lin » yang jin, yang li, yang liang
wang lin » wang li, wang qin, wang limin
form a » form _, reform a
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: wan wang ((yang lin) or (wang lin)) form a ((david dang) OR (david mant)) hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan wang ((yang lin) OR (wang lin)) form a ((david dang) OR (david mant)) hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan wang ((yang lin) or (wang lin)) form a ((david dang) OR (david mant)) hari ;*".