Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
4 communication » 3 communication, 5.4 communication, de communication
del development » model development, delta development, well development
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
rate while » data while, game while
costo del » costa del, cose del, costo e
1 afrique » l afrique, en afrique, 1 enrique
while 4 » while _, chile 4, while a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation rate while 4 communication costo del development 1 afrique.*.