Perhaps you should try some spelling variations:
"agricultural society" » "agricultural policies", "agricultural sector", "agricultural systems"
"agriculture science" » "agriculture since", "agricultural sciences", "agriculture evidence"
"cultural sciences" » "natural sciences", "agricultural sciences", "natural science"

Try widening your search to All Fields.

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: (("agriculture science") OR ((((("cultural sciences") OR ("agricultural society"))) OR ("agricultural science")))).
• Removing quotes may allow a broader search: (( agriculture science ) or ((((( cultural sciences ) or ( agricultural society ))) or ( agricultural science )))).
• Adding a wildcard symbol may retrieve word variants: (("agriculture science") or ((((("cultural sciences") or ("agricultural society"))) or ("agricultural science"))))*.