Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
communication phase » communication case, communication based, communication paper
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
inflation food » inflation good, inflation from, inflation und
technology 1 » technology _
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
1 inflation » 10 inflation, 12 inflation, _ inflation
phase le » phase de, phase life, phase der

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation food prices 2.3.4 communication phase le developpement en afrique.*.