Perhaps you should try some spelling variations:
better communication » written communication, external communication, disaster communication
rural development » social development
development case » development china
communication 3 » communication _, communication a
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
prices better » prices matter, services better, lives better
4.2 relative » 2.2 relative, 1.2 relative, 3.2 relative
relative sea » relative _
sea prices » tea prices, set prices, real prices
case labor » care labor, based labor, male labor
3 rural » a rural, 2 rural, 4 rural

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 relative sea prices better communication 3 rural development case labor.*.