when you win 3 times but all 3 codes are products your account already has, there's nothing left to do but hope the codes are still good and someone here can use them
konung 3 ties of destiny
B^^^V-H73M4-4N9TI
to get ^^^, google "is a body of the Central Government responsible for overseeing the functioning of zoos"
the first result should contain the above sentence, you're looking for the 3 letter abbreviation of the place described (inside parentheses)
really big sky
CVVHP-X09IV-W####
to get ####, google "was proposed by Kronberger et al"
the first result should be a pdf, but you don't need to open it, in the google description of the result the above sentence should appear, you're looking for the 4 letter abbreviation of the thing described (inside parentheses)
skara the blade remains
B@LQF-AD0CI-**0QD
to get **, find the english periodic element table symbol for Iron, it's two letters
to get @, turn the number six upside down and get the number