Seed recovery strategy
You most likely mistyped one or several words.
Manually trying different combinations can be a tedius process.
If I were you, I would be using seed recovery tool like btcrecover.

Are you familiar with the Levenshtein distance? The word(s) you misstyped are most probably the one(s) with shortest Levenshtein distance to the BIP32 spec words.  

Example: 


  staff can easily be mistaken for stuff or vice versa, since both are BIP32
  words.