Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
time communication » de communication, mobile communication, online communication
vector development » sector development, sector developments, factor development
development case » development china
technology lag » technology law, technology land, technology lays
attention from » attentions from, attenuation from, attention some
lag attention » pay attention, layer attention, local attention
cost vector » class vector, reset vector, short vector
from plant » from poland, from past, from point
plant time » plant life, plant lice, plant tree
case can » case case, case c

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

• Adding a wildcard symbol may retrieve word variants: technology lag attention from plant time communication cost vector development case can.*.