Perhaps you should try some spelling variations:
communications cost » communications costs, communications cross, communication costs
technology working » technology during, technology combing, technology making
working relations » working relationship, work relations, coding relations
power development » water development, career development, hydropower development
relations 2 » relations _, relations a, relations 3
cost power » cost per, soft power
2 price » 2 prices, 2 prise, 2.2 price

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

• Adding a wildcard symbol may retrieve word variants: technology working relations 2 price data communications cost power development _ artic.*.