The cache is not at the given coordinates.
For en englishman like me, some Norwegian words appear to have an entirely different meaning. Match the Norwegian words with the "new meaning", e.g 1C2J3D4G etc.. and paste your answer into Certitude to get the final coordinates and a hint.
The Norwegian words:
1. Flygel
2. Gjesterom
3. Bossplass
4. Vedgikk
5. Fengsling
6. Tomatbønner
7. Trønderhumor
8. Frikjente
9. Dogmatiker
10. Griseflaks
11. Diktverk
12. Tangent
The new meanings (aka crap oversetting):
A. Pig with wings
B. Sunburnt man
C. A dog that can do calculations
D. What Superman uses to keep his hair in place while flying
E. Where your head of department lives
F. A rather perverse dance movement using the hips (etc)
G. Moving the furniture in your prison cell to get the best energy vibe
H. Tea-room for geese
I. A couple of food farmers
J. Mum's from Trøndelag
K. Girl with really weird features
L. Arthritis in a wooden leg
You can validate your puzzle solution with
certitude.