Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.2 communication » 3 communication, 2.3 communication, de communication
development law » development latin, development 1
e development » sme development, mine development, site development
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
law afrique » l afrique
1 price » 1 prime, 4 price, 2.1 price
2 price » 2 prices, 2 prise, 2.2 price
paper e » paper _, paper i, paper 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 3 inflation ((1 price) OR (2 price)) 3.2 communication paper e development law afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 inflation ((1 price) OR (2 price)) 3.2 communication paper e development law afrique.*.