Perhaps you should try some spelling variations:
cooperation efforts » conservation efforts, cooperation forms, collection efforts
training services » planning services, banking services
trade cooperation » border cooperation
grid training » third training, hand training, led training
support grid » support agri, support grant, support group
supply trade » supply case

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: (( support grid training services. ) OR ( supply trade cooperation efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( support grid training services. ) or ( supply trade cooperation efforts. ))*.