Start Typing:
You can type directly into a linked field, which will automatically display related records.
Using the link & load pop-up:
Click on the empty linked field value to bring up a pop-up displaying the listing page of your linked sheet.
You can use the full-text search bar on the top to show related results,
or filter individual fields with the arrows next to the field headers.
Both of these search options behave according to the search tools available in Ragic.