Perhaps you should try some spelling variations:
germany learning » germany planning, permanent learning, germany berlin
learning tang » learning tony, learning using, learning being
yanling data » handling data, banking data, planning data
data germany » drain germany, east germany, etc germany
tang min » chang min, sang minh, yang mind
hong ng » hong kong, hong jong, hong hong
hong 7 » hong w, hong a, hong g
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 data germany learning tang min ((hong 7) or (hong ng)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling data germany learning tang min ((hong 7) OR (hong ng)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yanling data germany learning tang min ((hong 7) or (hong ng)) ;*.