Perhaps you should try some spelling variations:
integration schemes » irrigation schemes, integration some, integration theories
more integration » fare integration, care integration, market integration
grid information » rapid information, child information, road information
export more » export market, export import, export share
supply grid » supply crowd, 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: (( export more integration schemes. ) or ( supply grid information theory. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( export more integration schemes. ) OR ( supply grid information theory. )).
• Adding a wildcard symbol may retrieve word variants: (( export more integration schemes. ) or ( supply grid information theory. ))*.