Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
de developpement » sme development
law does » how does, far does, law do
cost de » cost dam, cost dna, cost edd

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology trade information law does risk communication cost de developpement _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology trade information law does risk communication cost de developpement _ afrique.*.