Perhaps you should try some spelling variations:
dutch international » durch internationale, 4th international, 5th international
charges irrigation » change irrigation, large irrigation, surge irrigation
irrigation schemes » irrigation scheme, irrigation systems
supply charges » supply channels, supply chains, supply curves
import dutch » import duty, import dutie, import duties

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply charges irrigation schemes. ) or ( import dutch international journal. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply charges irrigation schemes. ) OR ( import dutch international journal. )).
• Adding a wildcard symbol may retrieve word variants: (( supply charges irrigation schemes. ) or ( import dutch international journal. ))*.