Perhaps you should try some spelling variations:
formen nach » formeln nach, reformen nach, armen nach
nach david » saah david, macher david
david hong » david ng
liang wei » xiang wei, zhang wei, fang wei
wang wei » zhang wei, wang zhi
hong hai » shang hai, zhong tai, dang hai
wan you » want you, warn you, can you

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: ((wan you) OR (when do)) ((liang wei) OR (wang wei)) formen nach david hong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan you) or (when do)) ((liang wei) OR (wang wei)) formen nach david hong hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((wan you) or (when do)) ((liang wei) OR (wang wei)) formen nach david hong hai ;*.