Perhaps you should try some spelling variations:
formen nach » formeln nach, reformen nach, armen nach
wei formen » zwei formen, drei formen, der formen
nach david » saah david, macher david
liang wei » xiang wei, zhang wei, wang wei
shang hai » shang kai, dang hai, chang ha
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 formen nach david shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wan you) or (when do)) liang wei formen nach david shang hai ;*.