Perhaps you should try some spelling variations:
czechia germany » czech german
wing yanling » wang yanling, wang yangming
germany der » germany under, germany deal, germany die
der task » der tag, der tanz, dce task
task min » task cil, task ii
hong 7 » hong w, hong a, hong g
kong » long, ong

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: wing yanling czechia germany der task min ((hong 7) OR (hong (kong OR pong))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yanling czechia germany der task min ((hong 7) or (hong (kong OR pong))) ;~".
• Adding a wildcard symbol may retrieve word variants: wing yanling czechia germany der task min ((hong 7) or (hong (kong OR pong))) ;*.