Perhaps you should try some spelling variations:
"technology conversion periodicals." » "technology conservation periodicals.", "technology cooperation periodicals.", "technology construction periodicals.", "technology convention periodicals.", "technology conclusion periodicals.", "technology converging periodicals."
"technology connection periodicals." » "technology connectionism periodicals.", "technology connecticut periodicals.", "technology contraction periodicals.", "technology construction periodicals.", "technology selection periodicals.", "technology conclusion periodicals."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("technology conversion periodicals.") OR ("technology connection periodicals."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"technology conversion periodicals.\") OR (\"technology connection periodicals.\"))".
• Removing quotes may allow a broader search: (( technology conversion periodicals. ) OR ( technology connection periodicals. )).
• Adding a wildcard symbol may retrieve word variants: (("technology conversion periodicals.") OR ("technology connection periodicals."))*.