Perhaps you should try some spelling variations:
china's costs » china's cotton, china's coal, china's core
china china's » china chinese, can china's
costs longer » costs along, costs linked, does longer
using shift » using short, using soft, single shift
life using » life during
dong yang » dong hoang, wang yang, yang yang
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 yang) OR (dong di)) china china's costs longer life using shift ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (dong di)) china china's costs longer life using shift ;*.