Perhaps you should try some spelling variations:
business dating » business dealing, business latin, business making
business doing » business during, business using, businessmen doing
data linking » data taking, data linkage
wang yong » wang yang, wang hyoung, wang yan
hong 1 » hong w, hong a, hong g
hong 7 » hong w, hong a, hong g

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: wang yong ((hong 1) OR (hong 7)) data linking ((business doing) OR (business dating)) und ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong ((hong 1) OR (hong 7)) data linking ((business doing) or (business dating)) und ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong ((hong 1) OR (hong 7)) data linking ((business doing) or (business dating)) und ;*.