Perhaps you should try some spelling variations:
scale communication » scales communication, space communication, style communication
communication gaps » communication gap, communication gets, communication gabon
sensors developed » less developed
risk utilization » fish utilization, track utilization, gas utilization
utilization part » utilization rate, utilization based, utilization ratio
gaps sensors » gas sensors, gage sensors, types sensors
iv scale » 2 scale, 3 scale, iv state
part iv » part i, part ii, part iii

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

• Adding a wildcard symbol may retrieve word variants: technology risk utilization part iv scale communication gaps sensors developed _ afrique.*.