Which interpretation should I expand on?
To successfully find "Ane wa Yanmama" across images, video, text, and audio, you must abandon the "one search box" mentality. Use the following framework.
Before you can search effectively, you must understand what you are looking for. The phrase is a hybrid of Japanese and English, common in anime, manga, and doujinshi (independent/fan-made works) circles. searching for ane wa yanmama inall categories
Classification: Adult/Mature Content
Given the structure "Ane wa ...", this is highly probable to be a doujinshi (self-published manga) title. Which interpretation should I expand on
Best Platforms: DLsite, Melonbooks, Fakku, Nhentai (for archiving), MangaDex (for SFW).
Search Tactics:
When searching "in all categories," you will inevitably encounter categories that require discretion.