Perhaps you should try some spelling variations:
information survey » information sources, information source, information series
oral communication » personal communication
technologies part » technologies art, technologies pt, technologies a
part information » party information, paris information, plant information
communication 10 » communication 1, communication _, communication a
development pan » development plan, development plans, development japan
c development » 2 development, 1 development, gcc development
survey de » survey _, survey fy, survey 3
de oral » de otras, new oral
10 c » 10 _, 10 a, 1 c
africanism. » africans.

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

• Adding a wildcard symbol may retrieve word variants: technologies part information survey de oral communication 10 c development pan africanism.*.