Perhaps you should try some spelling variations:
development centre » development centers, development center, development country
land compensation » labor compensation, based compensation, fair compensation
centre africa » central africa, century africa, centers africa
technology 1 » technology _
1 innovation » 2 innovation, 3 innovation, 4 innovation
time land » time lag, time line, time lags
2 eco » _ eco, 2 ecm, 2 ecr
4 eco » _ eco

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 1 innovation a time land compensation ((2 eco) OR (4 eco)) development centre africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 1 innovation a time land compensation ((2 eco) OR (4 eco)) development centre africa.*.