Perhaps you should try some spelling variations:
3.4.1 communication » 3.4.2 communication, 3.4.4 communication, 9.4.1 communication
communication case » communications case, communication based, communication phase
sme development » trade development
technology gap » technology 1, technology 2.2, technology 3
development de » development d, development ds, developpement de
gap inflation » has inflation, grade inflation, rapid inflation
inflation tax » inflation rate, inflation _, inflation target
prices 3.4.1 » prices 3.4.2, prices 2.3.1, prices 3.1
tax prices » gas prices, car prices, tax practices
case sme » case sums, case s0, case sub

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation tax prices 3.4.1 communication case sme development de l'afrique.*.