Perhaps you should try some spelling variations:
german learner » german lander, germany learning
yanling data » handling data, planning data, sampling data
banking data » banking qatar, bank data, banking a
learner tang » learner facing, learners can
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) OR (banking data)) german learner tang min ((hong 7) or (hong ng)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yanling data) OR (banking data)) german learner tang min ((hong 7) OR (hong ng)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yanling data) OR (banking data)) german learner tang min ((hong 7) or (hong ng)) ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yanling data) OR (banking data)) german learner tang min ((hong 7) or (hong ng)) ;*.