Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
4 communication » 3 communication, 5.4 communication, de communication
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
3 same » _ same, 3 safe, 3 sama
3 sme » _ sme, 3 smt, 5 sme

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology trade information table _ 4 communication ((3 sme) OR (3 same)) development li afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology trade information table _ 4 communication ((3 sme) OR (3 same)) development li afrique.*.