Perhaps you should try some spelling variations:
functional field » functional yield, functional film, functional food
function field » function fields
german mare's » germany markets, german marxist, german masters
german women » nigerian women, german comedy, syrian women
hickey deaf » hockey deaf, hickes dean, mickey dewar

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: ((german mare's) OR (german women)) ((functional field) OR (function field)) hickey deaf.
• Adding a wildcard symbol may retrieve word variants: ((german mare's) or (german women)) ((functional field) or (function field)) hickey deaf*.