Perhaps you should try some spelling variations:
congo wende » congo rwanda
die hyoung » lee hyoung, min hyoung
song chong » hong hong, hong cheng, kong hong
wende die » gender die, wende eine, wenn die
ong chong » ong cheng, hong cheng, zong cheng
qian yan » qian jun, qian yi
nan yan » nan ya, wang yan, dan yang

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) OR (qian yan)) congo wende die hyoung ((ong chong) OR (song chong)) wan ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nan yan) or (qian yan)) congo wende die hyoung ((ong chong) OR (song chong)) wan ;~".
• Adding a wildcard symbol may retrieve word variants: ((nan yan) or (qian yan)) congo wende die hyoung ((ong chong) OR (song chong)) wan ;*.