Perhaps you should try some spelling variations:
development state » development stage, developmental state, redevelopment state
plan competition » open competition, global competition, fair competition
technology data » technology dlt, technology debate, technology debts
data inflation » rate inflation, data information, data innovation
inflation 10 » inflation 1, inflation 10.1, inflation 10.8
state africa » trade africa
like plan » like plants
10 like » 10 life, 12 like, 13 like
7 sme » 7 some, 3 sme, 5 sme
_ sme » _ smes

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 data inflation 10 like plan competition ((7 sme) OR (_ sme)) development state africa.~".
• Adding a wildcard symbol may retrieve word variants: technology data inflation 10 like plan competition ((7 sme) OR (_ sme)) development state africa.*.