Perhaps you should try some spelling variations:
"technological competition periodicals." » "technological condition periodicals.", "technology competition periodicals.", "technological competitiveness periodicals.", "technological composition periodicals.", "technological cooperation periodicals.", "technological cognition periodicals."
"technology inventions periodicals." » "technology conventions periodicals.", "technology infections periodicals.", "technology invasions periodicals.", "technology insertions periodicals.", "technology interventions periodicals."

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