Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
interview location » overview location, interview selection, interview situation
method interview » methods interviews, method overview, author interview
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
location wages » location based, location aids, location case
wages case » ages case, wages close, cases case
la afrique » l afrique, la fabrique, en afrique
case data » cases data, base data, use data
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: method interview location wages case data communications costs de developpement la afrique.*.