Perhaps you should try some spelling variations:
middle ears » middle years, middle ear, middle earth
middle last » middle class, middle late, middle east's
2f foreign » 2 foreign, 24 foreign, 22 foreign
23 foreign » 3 foreign, 2 foreign, 13 foreign
22 united » 12 united, 2 united, 20 united
21 united » 11 united, 2 united, 1 united

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: %((((middle ears) OR (middle eastern))) OR (((middle last) OR (middle east)))) %((2f foreign) OR (23 foreign)) relations %((22 united) OR (21 united)) states%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((middle ears) or (middle eastern))) or (((middle last) OR (middle east)))) %((2f foreign) or (23 foreign)) relations %((22 united) or (21 united)) states%22".
• Adding a wildcard symbol may retrieve word variants: %((((middle ears) or (middle eastern))) or (((middle last) OR (middle east)))) %((2f foreign) or (23 foreign)) relations %((22 united) or (21 united)) states%22*.