Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developing mexican » development mexican, developing america, developing asian
mexican americans » mexican american, african americans, african american
information 3 » information 2
technology 1 » technology _
debates data » states data, debates a, debates de
1 developing » 3 developing, 4 developing, 2 developing
3 debates » 3 debastes, _ debates, 1 debates
costs 1 » costs _, costs 4, costs a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 1 information 3 debates data communications costs 1 developing mexican americans.*.