Perhaps you should try some spelling variations:
communications phase » communication phase, communications case, communications purchase
2.3 communications » 2.3 communication, 4.3 communication, 1.3 communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
innovation when » innovation where, innovation what, innovation why
technology 2 » technology _, technology 1, technology 3
when price » when prices, when prime, wheat price
de afrique » de l'afrique, en afrique, l afrique
price 2.3 » price 3, price 4.4

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

• Adding a wildcard symbol may retrieve word variants: technology 2 innovation when price 2.3 communications phase der developpement de afrique.*.