I am having issue while searching using query text in a specific list for cross-domain.  Also I am not able to search in a specific site, when I use following get query, url:

`appweburl + "/_api/search/query?querytext ='amar'?@target='" + hostweburl + "'",`

Also i am not able to search in a specific list,when I use following get query, 
url:

`appweburl + "/_api/search/query?querytext=‌​'amar AND path:htt‌​ps://xyz.sharepoi‌​nt.com/Lists/emp data​'?@target='" + hostweburl + "'",`