Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
supply holder » supply under
how banking » home banking, how binding, new banking
supply role » supply cote, supply crowd
supply how » supply shock
services. » series.

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: (( supply how banking services. ) OR ( ((supply holder) OR (supply role)) irrigation schemes. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply how banking services. ) or ( ((supply holder) OR (supply role)) irrigation schemes. ))~".
• Adding a wildcard symbol may retrieve word variants: (( supply how banking services. ) or ( ((supply holder) OR (supply role)) irrigation schemes. ))*.