7. The computer-implemented method of claim 6 , further comprising sorting the common candidate word and the geographic-related language candidate word based on a sorting factor of a candidate word.
7. The computer-implemented method of claim 6 , further comprising sorting the common candidate word and the geographic-related language candidate word based on a sorting factor of a candidate word. 8. The computer-implemented method of claim 7 , wherein the sorting factor includes at least one of a matching degree of the candidate word and the geographic information, a utilization frequency of the candidate word, or a retrieval sorting policy.