ECC iProcurment description search not returning all results

Hi

We are noticing that the search results in ECC iProcurement is not returning all results when using description. We are on 12.2.11 version, ECC iProcurement V12.

For example search by Item Description:

Search for "Penni" is returning results like "Penni, glæru, non-perm…"

but not results like "Penni, kúlu, UB…"

Have to add to the search "kúlu" to have this result

We would expect Item Description search to return all items where description includes the search word.

Any thoughts on this?

Regards

Thora