Perhaps you should try some spelling variations:
reformen bei » reformen beim, reformen teil, reformen des
reformen der » formen der, reform der
david dang » david ian, david mant, david ng
you qiang » you liang, you xian
warn you » earn your, can you, when you
qiang li » liang li, qiang niu, ling li

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: warn you qiang li ((reformen bei) OR (reformen der)) ((david dang) OR (david a)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "warn you qiang li ((reformen bei) OR (reformen der)) ((david dang) or (david a)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: warn you qiang li ((reformen bei) OR (reformen der)) ((david dang) or (david a)) hai ;*.