Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
under communication » jander communication, modern communication, de communication
calculation where » calculations charge, calculation source, calculations phase
development model » development models, development middle
some development » sme development, women development, site development
technologies 2 » technologies _, technologies 4
2 calculation » _ calculation, 3.2 calculation, 3.1 calculation
costa some » cost some, costs some
where 4 » where _, where i, where a
4 under » 24 under, 4.4 under, 10 under

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 calculation where 4 under communication costa some development model afrique.*.