Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
oral communication » personal communication
technologies ser » technologies series, technologies sector, technologies _
information gaps » information gap
ser information » user information, der information, users information
e development » sme development, mine development, site development
a afrique » l afrique, en afrique
gaps de » gaps do, camps de, gaps new
de oral » de otras, new oral
modes e » modes de, models e, modes en

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

• Adding a wildcard symbol may retrieve word variants: technologies ser information gaps de oral communication modes e development a afrique.*.