Perhaps you should try some spelling variations:
"european economic transitiond 21st century." » "european economic transition 21st century.", "european economic transitions 21st century.", "european economic transactions 21st century.", "european economic transition 1 century.", "european economic transition 2 century.", "european economic transition 2.3 century.", "europe economic transitiond 21st century."
"open economies condition 20th century." » "open economic condition 20th century.", "open economic conditions 20th century.", "open economics cognition 20th century.", "open economy condition 20th century.", "open economies conditions 20th century.", "open economies condition 2000 century.", "open economies condition 2006 century."

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