Perhaps you should try some spelling variations:
david dang » david ian, david mant, david ng
yan liang » yang liang, wang liang, you liang
dang hari » dang hai
wan wang » wen wang, yan wang, wang yang
wang lin » wang li, wang qin, yang lin
de david » die david, wade david, dawe david
form de » form der, form des, form die

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 ((wang lin) or (yan liang)) form de david dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan wang ((wang lin) OR (yan liang)) form de david dang hari ;*.