Two sites are deindexed from bing :(


I made two sites in 2014, submitted it to google and bing, use to frequently update my settings also, after few months i just realized both sites posts ( nearly 90%) are deindexed from bing. I sibmitted the sitemap again, still only 4-9 urls are indexed, Can anyone tell me where the problem lies ? My two concerned sites are and Please let me know if anyone can help me