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In PLM Winndchill exist module IndexSearch, whitch allow users execute fast search by index.I suggest test the new search interface, in which the results are updated as the user input characters. Accordingly, the user does not need to press Enter or click the "Search", because Windchill constantly shows the results of the current request. An interesting feature, enabling a search in Windchill even faster ...
The installer is here: http://plmservice.ru/2011/03/windchill-live-search/