Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
water development » career development, sector development
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
cost water » costs water, most water, hot water
a afrique » l afrique, en afrique
gap does » gap die, lcp does

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies de information gap does risk communication cost water development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies de information gap does risk communication cost water development a afrique.*.