Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologies more » technologies market, technologies co, technologies art
water development » career development, sector development
more information » price information, trade 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 more information gap does risk communication cost water development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies more information gap does risk communication cost water development a afrique.*.