Perhaps you should try some spelling variations:
wage compensation » wages compensation, damage compensation, based compensation
innovation space » innovation impact, innovation science, innovation sources
development land » development band, development plans, development plan
land africa » can africa, fund africa, plan africa
time wage » time age, time water, time usage
1.3 4 » 1.3 _, 1.3 a, 1.3 2
1.2 4 » 1.2 _, 1.2 a, 1.2 r

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 _ innovation space time wage compensation ((1.3 4) OR (1.2 4)) development land africa.~".
• Adding a wildcard symbol may retrieve word variants: technology _ innovation space time wage compensation ((1.3 4) OR (1.2 4)) development land africa.*.