Perhaps you should try some spelling variations:
trade development » software development
3.2 communication » 3 communication, 2.3 communication, de communication
technology right » technology rights, technology high, technology rich
direction data » direction diana, section data, selection data
development la » development law, development li, development land
costs trade » costly trade
la afrique » l afrique, la fabrique, en afrique
data case » data base, data based
case 3.2 » case 4.2, case 3.1, case 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology right direction data case 3.2 communication costs trade development la afrique.*.