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
figures add » figures a, figures amp, figures de
dong hoang » hong hong
test cases » test case
add sein » und sein, au sein, als sein
dong di » dong sin

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 add sein ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong di) or (dong hoang)) did china's test cases figures add sein ;*.