Perhaps you should try some spelling variations:
den reformen » der reformen, von reformen, die reformen
nach david » saah david, macher david
earn you » earn your, warn you, can you
you xian » you liang, you can, you mean
xian den » van den, pian del
hong ng » hong kong, hong jong, hong hong
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: earn you xian den reformen nach david ((hong ng) OR (dang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: earn you xian den reformen nach david ((hong ng) or (dang hai)) ;*.