Perhaps you should try some spelling variations:
technologies methods » technologies authors, technologies ethics, technology methods
methods formulacion » methods population
trade developments » trade development, rate developments, price developments
formulacion who » formulacion de, formulation where
communication 1 » communication _, communication a, communication 3
developments 4 » developments _
who loses » who uses
4 afrique » l afrique, en afrique, 2014 afrique
1 trade » 4 trade

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

• Adding a wildcard symbol may retrieve word variants: technologies methods formulacion who loses _ communication 1 trade developments 4 afrique.*.