Perhaps you should try some spelling variations:
reformen des » reformen der, reforme des, reform des
reformen de » reformen der, reformen die, reforme de
david hong » david ng
han feizi » han fei
wan you » want you, warn you, can you
you han » you can, you had, you have
hong ng » hong kong, hong jong, hong hong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wan you han feizi ((reformen de) or (reformen des)) david hong ng ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan you han feizi ((reformen de) OR (reformen des)) david hong ng ;*.