Perhaps you should try some spelling variations:
spatial development » social development, national development, capital development
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
trade inclusion » trade conclusion, care inclusion, de inclusion
development li » development lid, development lie, development lin
costs spatial » cost spatial, lists spatial, across spatial
li afrique » l afrique, en afrique
race 3.2 » race 3.7, race 4.2, rice 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade inclusion _ race 3.2 communication costs spatial development li afrique.*.