Perhaps you should try some spelling variations:
business during » business enduring, businesses during, business using
business doing » business dating, business using, businessmen doing
data linking » data taking, data linkage
wang hong » wang yong, wang hyoung, wang lihong
kong 1 » kong 15, kong _, kong 2
kong a » kong _, kong sar, kong yam

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