Perhaps you should try some spelling variations:
yanling czech » banking czech
german gender » german lander, german border, human gender
germany under » germany after
task min » task cil, task ii
hong ma » hong a, hong tan, hong hai
hong ng » hong kong, hong jong, hong hong
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling czech ((german gender) OR (germany under)) task min ((hong ma) OR (hong ng)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling czech ((german gender) OR (germany under)) task min ((hong ma) OR (hong ng)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yanling czech ((german gender) OR (germany under)) task min ((hong ma) OR (hong ng)) ;*.