Perhaps you should try some spelling variations:
reformen die » reformen der, reformen des, reformen im
reforme de » reforma de, reformen der, reform der
david dang » david ian, david mant, david ng
qiang niu » qiang li
wan you » want you, warn you, can you
qian yi » qian yan
hai » hadi, haji, hari

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 ((qian yi) OR (qiang niu)) ((reformen die) OR (reforme de)) david dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan you ((qian yi) or (qiang niu)) ((reformen die) OR (reforme de)) david dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wan you ((qian yi) or (qiang niu)) ((reformen die) OR (reforme de)) david dang hai ;*.