Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
information 1.5.2 » information 1.2, information 2
communications pt » communication pt, communications _, communications a
sme development » trade development
development de » development d, development ds, developpement de
de afrique » de l'afrique, en afrique, l afrique
1.5.2 key » 1.1.2 key, 1.3.2 key, 1.4.2 key
key china » why china, bay china
pt sme » pt semen

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.5.2 key china communications pt sme development de afrique.*.