I have a specific research question and then a more general one so I can start to do a better job of helping myself with this type of Norway-based research.
First the specific. I have recently been in contact with a DNA cousin who has a common ancestor (we are pretty sure) from Sogn og Fjordane, Norway. We have almost settled upon our common ancestor as "Eli Olsdatter from Stryn, Sogn og Fjordane, who I believe was the mother of my ancestor Sigri Bendixdatter https://www.wikitree.com/wiki/Bendixdatter-8
and possibly the mother of my DNA cousin's ancestor Jannika Bendixdatter, who she says "was born April 20, 1818 in Brynestad." According to this cousin, the father is Bendix Larsen Naesdal (or Naustdal) (b. 1789 in Bodahl) and her mother Eli Olsdatter Brynestad (b. 1785 in Toten Oppland). Both Oppland and Nastdal are in Sogn og Fjordane.
The problem is that my cousin believed that Eli Olsdatter died in 1848. I have and Eli Olsdatter living on the same farm with my ancestor on the 1865 Norway census for Stryn, Sogn og Fjordane, Norway.
I was trying to research this, and did run across an Eli Olsdatter's death record in 1842 on FamilySearch at https://www.familysearch.org/ark:/61903/1:1:NWJT-R28
But this record is so vague I can't even tell which part of Norway it occurred in, and there's no image to view.
Can someone help me either connect Jannika Bendixdatter and Sigri(d) Bendixdatter to the Eli Olsdatter in the 1865 census, if they are actually connected?
The second half of my question is just where/how can I perform a better search myself? I have tried the Norway Digital Archives, and I just can't get the technique at all. I either get zero hits (because I am adding too many details to the search) or I get basically the entire population of Norway in no particular order if I allow it to do a broad search on a name. Frequently the name I entered doesn't show up until much later in the list, and it's usually not the right person. Is there a better way to start, or a better website?
Are there certain ways to phrase things when I'm searching so I have any hope of finding someone when I know very little? I'm specifically thinking of the Digital Archives, but if there's a better place to search from, I'd love to try it.