Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
clean development » human development, urban development
technologies am » technologies a, technologies art, technologies can
am information » guam information, palm information, crm information
development co » development case, development china
modes clean » more clean
co africa » can africa, do african, 1 africa
2 co » _ co, a co

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies am information 3.2 ((2 co) OR (2 c)) communication modes clean development co africa.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies am information 3.2 ((2 co) OR (2 c)) communication modes clean development co africa.*".