Perhaps you should try some spelling variations:
zen » zehn, zeng
sehen » gehen
zehend » behend, sehend, zeheng, gehend, zehnd
gehend » gehende, gehenden
zehnd » zehn, zend, zahnd
zehen » gehen, zehn

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: (zen OR (sehen OR (((zehend OR gehend) OR zehnd) OR zehen)))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(zen or (sehen or (((zehend OR gehend) or zehnd) or zehen)))*".