Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
does information » des informations, dis information, users information
developing areas » developing asia, developing east, developing a
technology does » technology debts, technology data, technology dlt
information u.s » information und, information use, information 1.2
areas africa » arabs africa, dress africa, farmers africa
u.s senate » u.s state
senate 2.1 » senate 2.4, state 2.1, debate 2.1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology does information u.s senate 2.1 communication costs _ developing areas africa.~.
• Adding a wildcard symbol may retrieve word variants: technology does information u.s senate 2.1 communication costs _ developing areas africa.*.