Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
oral communication » personal communication
information gaps » information gap
technical chief » technical brief, technical changes, technical change
development aid » development a, development africa, development agenda
gaps de » gaps do, camps de, gaps new
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technical chief information gaps de oral communication skills _ development aid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technical chief information gaps de oral communication skills _ development aid afrique.*.