Perhaps you should try some spelling variations:
firma things » first things, normal things, firms think
song ligang » gong liutang
things end » thin end, beings end, things era
yang yang » wang yang
der firma » der film
end dong » jeng dong
sin » sign, sind, skin

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: wang ((song ligang) OR (((yang yang) OR (wang yan)))) der firma things end dong sin ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((song ligang) or (((yang yang) OR (wang yan)))) der firma things end dong sin ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((song ligang) or (((yang yang) OR (wang yan)))) der firma things end dong sin ;*.