Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
plus communication » plans communication, class communication, mass communication
center development » centered development, centred development, gender development
relation 2.3.2 » relations 2.3.2, relation 3.3.2, relation 5.3.2
technology la » technology law, technology lag, technology land
2.3.2 crisis » 2.2.2 crisis, 2.3.1 crisis, 6.3.2 crisis
la relation » la revolution, a relational
crisis plus » crisis plans, crisis pros, crisis phase
cost center » cost centers, 21st centery, cost chapter
index atom » index aao, index author

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

• Adding a wildcard symbol may retrieve word variants: technology la relation 2.3.2 crisis plus communication cost center development index atom.*.