Perhaps you should try some spelling variations:
guided information » guide information, added information, coded information
irrigation schemes » irrigation scheme, irrigation systems
support guided » support build, support gender, support grid
led irrigation » _ irrigation, scale irrigation, water irrigation
support led » support land, support de, support low

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( support guided information theory. ) OR ( support led irrigation schemes. ))~".
• Adding a wildcard symbol may retrieve word variants: (( support guided information theory. ) OR ( support led irrigation schemes. ))*.