Perhaps you should try some spelling variations:
"bioenergy from adoption" » "bioenergy crops adoption", "energy from adoption", "bioenergy from adsorption", "bioenergy from option", "bioenergy crm adoption"
"bioenergy from adopting" » "bioenergy crops adopting", "energy from adopting", "bioenergy from adaptive"

Try widening your search to All Fields.

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: "((\"bioenergy from adoption\") OR (\"bioenergy from adopting\"))".
• Removing quotes may allow a broader search: (( bioenergy from adoption ) OR ( bioenergy from adopting )).
• Adding a wildcard symbol may retrieve word variants: (("bioenergy from adoption") OR ("bioenergy from adopting"))*.