Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen der
reformen teil » reformen bei, reformen der, reformen des
david dang » david ian, david mant, david ng
yan liang » yang liang, wang liang, you liang
liang wei » xiang wei, zhang wei, wang wei
nan yan » nan ya, wang yan, qian yan

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: nan yan liang wei ((reformen beim) OR (reformen teil)) david dang (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: nan yan liang wei ((reformen beim) or (reformen teil)) david dang (hai or hadi) ;*.