Perhaps you should try some spelling variations:
technology challenges » technological challenges, technology change, technical challenges
communication modes » communication model, communication des, communication media
c's communication » lea's communication, class communication, mass communication
informality flow » information flow, informality job, informality good
de development » e development, ce development, de developpement
flow debt » flows debt, low debt, flow depth
debt c's » debt cash, debt cost, debt has
modes de » mondes de, mode de, modeles de

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology challenges informality flow debt c's communication modes de development _ africa.~.
• Adding a wildcard symbol may retrieve word variants: technology challenges informality flow debt c's communication modes de development _ africa.*.