Perhaps you should try some spelling variations:
wing yanling » wang yanling, wang yangming
czech german » czechia germany, czech brian, dutch german
gender task » gender talk, gendered task, gender case
task cil » task call, task ct, task ii
hong hai » shang hai, zhong tai, dang hai
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: wing yanling ((czech german) or (french german)) gender task cil ((hong hai) or (hong ng)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yanling ((czech german) OR (french german)) gender task cil ((hong hai) OR (hong ng)) ;.
• Adding a wildcard symbol may retrieve word variants: wing yanling ((czech german) or (french german)) gender task cil ((hong hai) or (hong ng)) ;*.