Perhaps you should try some spelling variations:
thesis interaction » tests interaction, thesis introduction, 3the interaction
interaction labour » interaction about, intervention labour, interaction layer
3.2 communication » 3 communication, 2.3 communication, de communication
developpement l » developpement il, developpement la, developpement de
labour rice » labour prices, labour office, labour regime
l afrique » en afrique
rice 3.2 » price 3.2, rice 3.1, rice 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology thesis interaction labour rice 3.2 communication costs _ developpement l afrique.*.