1. An apparatus, comprising: a processor circuit; a character set converter application operative on the processor circuit to receive a search string comprising one or more characters in a first character set, and convert the one or more characters in the first character set to one or more characters in a second character set; an index server operative to execute a search using the one or more characters in the second character set to obtain one or more ranked search results; and a ranking application operative on the index server to determine that the one or more ranked search results includes at least one of the one or more characters in the first character set, and obtain a ranking of the one or more ranked search results based on a match strength, with respect to the first character set, between the search string and the one or more ranked search results.