Post pages are not indexed in google . kindly support

hi am running a online based scientific journal. having more than 500 post pages. even i search entire url tittle in google also am not getting page init. yoast shows am having 574 orphaned content. kindly support. [ redundant link removed ]

• This topic was modified 4 years, 4 months ago by Jan Dembowski. Reason: Moved to Fixing WordPress, this is not an Developing with WordPress topic

The page I need help with: [log in to see the link]