Perhaps you should try some spelling variations:
thesis operating » designs operating, trust's operating, gross operating
de communication » mobile communication, online communication
operating under » operating model, operating modes
del development » model development, delta development, well development
development act » development a, development aid, development age
under rice » under rise, under river, under risk
act africa » art africa, east africa, art african
costs del » costa del, costo del

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

• Adding a wildcard symbol may retrieve word variants: technology thesis operating under rice de communication costs del development act africa.*.