Perhaps you should try some spelling variations:
middle east's » middle eastern, middle ears, middle earth
middle last » middle class, middle late, middle atlas
2f foreign » 2 foreign, 23 foreign, 24 foreign
2f united » 20 united, 22 united, 23 united
21 united » 1 united, 20 united, 12 united
2 united » 12 united, 2 units, 2 unit
2 unity » 2 units

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 east's) OR (middle last)) %2f foreign relations %((((2f united) OR (((((2 united) OR (2 unity))) OR (2 (units OR unit)))))) OR (((21 united) OR (11 united)))) states%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((middle east's) or (middle last)) %2f foreign relations %((((2f united) or (((((2 united) OR (2 unity))) or (2 (units or unit)))))) or (((21 united) or (11 united)))) states%22".
• Adding a wildcard symbol may retrieve word variants: %((middle east's) or (middle last)) %2f foreign relations %((((2f united) or (((((2 united) OR (2 unity))) or (2 (units or unit)))))) or (((21 united) or (11 united)))) states%22*.