7. A method for providing content information of a server apparatus, the method comprising: receiving a text which corresponds to a voice signal; searching for a keyword which corresponds to the text at a mapping table in which at least one keyword, at least one content genre, and at least one priority score in combination are mapped; in response to the keyword, which corresponds to the text, not existing, searching for content information belonging to the content genre mapped with a synonym of the text and transmitting a search result; and updating the mapping table by adding the synonym as the keyword, wherein the transmitting the search result to the display apparatus comprises: in response to a plurality of content genres being mapped with respect to the synonym, selecting at least one content genre according to a priority determined regarding the plurality of content genres; and searching content information belonging to the at least one selected content genre and transmitting the search result to the display.
7. A method for providing content information of a server apparatus, the method comprising: receiving a text which corresponds to a voice signal; searching for a keyword which corresponds to the text at a mapping table in which at least one keyword, at least one content genre, and at least one priority score in combination are mapped; in response to the keyword, which corresponds to the text, not existing, searching for content information belonging to the content genre mapped with a synonym of the text and transmitting a search result; and updating the mapping table by adding the synonym as the keyword, wherein the transmitting the search result to the display apparatus comprises: in response to a plurality of content genres being mapped with respect to the synonym, selecting at least one content genre according to a priority determined regarding the plurality of content genres; and searching content information belonging to the at least one selected content genre and transmitting the search result to the display. 8. The method as claimed in claim 7 , further comprising: according to a number related to user selection of content information belonging to the at least one content genre, adjusting a score of the plurality of content genres and updating the mapping table by re-setting the priority according to the adjusted score.