This no-assist issue with MCs has been an ongoing issue for a long while here as well, especially when my preferred attacking comes from the flanks.
After some trials, it seems pushing those MC to close to AMC region while playing a centrally-focused formation, like 3-4-1-2, would help. Not the typical flat 4 midfielders but a diamond, with 1 MC (with better defensive attributes) pulled back and another (with very good passing & creativity) pushed up, and with the AMC pushed further up. The more attacking MC should get an assist in every 3-4 matches (to solve the ‘recently no assist’ with conditions).
Application has be careful though. Opponents must ‘only’ have up to 2 STs and no wingers, and their MCs are not strong. Probably best against an average 4-4-2 team.