Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
des developpement » des developpements, de developpement, le developpement
technology tools » technology thesis
tools validation » models validation, cross validation, tools evaluation
developpement en » developpement et, developpement des, developpement de
validation rate » validation data, valuation rate, validation master
rate rules » trade rules, water rules, wage rules
rules 2.7 » rules 2.2, rules 2.4, rules 5.7
based des » based modes, based debt, based deep

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

• Adding a wildcard symbol may retrieve word variants: technology tools validation rate rules 2.7 communication based des developpement en afrique.*.