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
test cases » test case
figures da » figures a, figures de, figures do
hong hong » hong kong, hong jong, hong ng
dong di » dong sin
da sein » dem 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 (hong hong)) did china's test cases figures da sein ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong di) or (hong hong)) did china's test cases figures da sein ;*.