Perhaps you should try some spelling variations:
communication cross » communication costs
river development » driven development, water development, power development
de communication » mobile communication, online communication
information 3.3 » information 3.2, information 3.4, information 3.5
development pan » development plan, development plans, development japan
pan american » pan african, latin american, asian american
cross river » cross over
3.3 a » 3.3 _, 2.3 a, 4.3 a
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 3.3 a de communication cross river development pan american.*.