Perhaps you should try some spelling variations:
international policies » international politics, international prices, international policy
some international » time international, care international, people international
grid information » good information, guided information, rapid information
supply some » supply side, supply cote, supply scheme
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 some international policies. ) or ( supply grid information theory. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply some international policies. ) OR ( supply grid information theory. )).
• Adding a wildcard symbol may retrieve word variants: (( supply some international policies. ) or ( supply grid information theory. ))*.