Perhaps you should try some spelling variations:
urban development » human development
information case » information based, information can, information costs
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
technology 2.2 » technology _, technology 1, technology 3
efforts urban » effects urban, efforts dean, efforts real
china april » china africa
case de » case des, case d, case d1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology 2.2 information case de _ communication efforts urban development china april.~.
• Adding a wildcard symbol may retrieve word variants: technology 2.2 information case de _ communication efforts urban development china april.*.