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You need to update Your .po file from Anspress source code or .pot file. You can do that with app Poedit. Just download Anspress from WordPress plugin directory and unzip it. Then open Poedit, open your lang .po file (/languages/) and use Project ->Update from Sources or Update from .pot file. After that just check if strings that You mentioned are translated, and if not, then do it Yourself. If You done, then save and copy .po and .mo file to Anspress plugin directory located on Your server. Done.
papa_mak commented on answer
i download anspress from github but the language file is the same (release 3.0.6).
The Project ->Update from Sources or Update from .pot file doesn’t work on Poedit (the program freeze!).