Perhaps you should try some spelling variations:
cases figures » tables figures, des figures, boxes figures
china's test » china's west, china's quest, china's belt
dong hoang » hong hong
test cases » test case
dem sein » dem stein, dem dasein, dem rhein
dong di » dong sin
da sein » la seine

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: ((dong di) OR (dong hoang)) did china's test cases figures ((da sein) OR (dem sein)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong di) or (dong hoang)) did china's test cases figures ((da sein) OR (dem sein)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong di) or (dong hoang)) did china's test cases figures ((da sein) OR (dem sein)) ;*.