1. A method comprising: detecting an original search input entered by a user on an electronic device, the original search input including a partial search term and an excluded term; detecting the excluded term within the original search input; forming a modified search input wherein the modified search input includes the original search input without the excluded term; matching a plurality of stored terms against the modified search input to form a modified matched result; when there is at least one term within the modified match result, displaying a suggestion of a search term without the excluded term to replace the original search input including the partial search term and the excluded term, based on the modified matched result; and when there is not at least one term within the modified match result, matching the plurality of stored terms with the original search input and forming an original matched result, and displaying a suggestion of a search term to replace the original search input including the partial search term and the excluded term based on the original matched result.