Perhaps you should try some spelling variations:
wage compensation » wages compensation, damage compensation, based compensation
developpement de » developpement des, developpement durable
technology how » technology 1, technology 2.2, technology 3
how innovation » how innovative, how information, does innovation
innovation 3 » innovation 1, innovation 4
time wage » time age, time water, time usage
de africa » does africa, de america, use africa
1.4 a » 2.4 a, 4.4 a, 5.4 a

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: "technology how innovation 3 time wage compensation ((1.4 a) OR (1.4 _)) developpement de africa.~".
• Adding a wildcard symbol may retrieve word variants: technology how innovation 3 time wage compensation ((1.4 a) OR (1.4 _)) developpement de africa.*.