Perhaps you should try some spelling variations:
communications av » communications a, communications aa, communications law
test development » forest development, port development, mena development
technologies 4 » technologies _
development du » development d, development ds, developpement du
formative des » formation des, formative years, formationen des
4 formative » _ formative, 3 formative, 2 formative
du afrique » en afrique, l afrique, de l'afrique
av test » hiv test, car test
how 14 » how 12, how 15, how 14.6
how 24 » how 2.4

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 4 formative des ((how 14) OR (how 24)) communications av test development du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 formative des ((how 14) OR (how 24)) communications av test development du afrique.*.