Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
developing east » development east, developing a, developing asia
technologies 2 » technologies _, technologies 4
information 20 » information 2.0, information 2, information 24
2.3 online » 2.2 online, 2.1 online
east areas » karst areas, east asezs
20 2.3 » 2.0 2.3, 20 23, l0 2.3
a all » _ all, 2 all, 5 all
7 all » _ all

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information 20 2.3 online communication ((a all) OR (7 all)) developing east areas.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 2 information 20 2.3 online communication ((a all) OR (7 all)) developing east areas.*".