Perhaps you should try some spelling variations:
true communication » truth communication, time communication, stroke communication
past developments » post development, test development, rate developments
technology r » technology 1, technology 3, technology 4
r relations » 3 relations, 1 relations, our relations
relations 3 » relations _, relations a
prices true » prices trade, prices table, prices taxes
3 prices » 2 prices, do prices, 3 prince
case 3 » case 1
case 2 » case 1

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology r relations 3 prices true communication _ past developments ((case 3) OR (case 2)).~".
• Adding a wildcard symbol may retrieve word variants: technology r relations 3 prices true communication _ past developments ((case 3) OR (case 2)).*.