Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
vector development » sector development, sector developments, factor development
de communication » mobile communication, online communication
development hand » development band, development hans, development land
technology mode » technology code, technology more, technology models
mode detection » models detection, ade detection, de detection
cost vector » class vector, reset vector, short vector
science de » sciences de, science du, science done
hand part » hands part, land part, hard part

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

• Adding a wildcard symbol may retrieve word variants: technology mode detection _ science de communication cost vector development hand part.*.