Perhaps you should try some spelling variations:
data communication » data communications
information early » information easily, information search, information error
od information » d information, nd information, road information
technology od » technology one, technology 1, technology 3
early debate » early death, early date, family debate
china africa » cpia africa, china asia
debate data » debates data, debate saman

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology od information early debate data communication costs _ development china africa.~.
• Adding a wildcard symbol may retrieve word variants: technology od information early debate data communication costs _ development china africa.*.