Perhaps you should try some spelling variations:
integration process » reintegration process, migration process, innovation process
irrigation scheme » irrigation systems
grid irrigation » grain irrigation, drip irrigation, gray irrigation
supply case » supply cost, supply curve, supply costs
supply grid » supply crowd, supply great, support grid

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((supply case) OR (supply chain)) integration process. ) or ( supply grid irrigation scheme. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((supply case) OR (supply chain)) integration process. ) OR ( supply grid irrigation scheme. ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((supply case) OR (supply chain)) integration process. ) or ( supply grid irrigation scheme. ))*".