Perhaps you should try some spelling variations:
communication model » communication media
data communication » data communications
health development » healthy development, youth development, growth development
development li » development lid, development lie, development lin
model health » models health, modern health, moral health
li afrique » l afrique, en afrique
die data » die daten, life data, file data
gap die » camp die

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information gap die data communication model health development li afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information gap die data communication model health development li afrique.*.