At:

AMS - LH/LX/OS to SQ no problem
OSL - SK to LH no problem
WAW - LO to SQ no problem
SFO - UA to LH no problem
BKK - TG to BR no problem
HAN - SQ to LX no problem
SIN/DPS/YOG - SQ/MI to LH/LX no problem
NRT - NH to LX no problem but the agent must have typed a novel on her keyboard

If there are to many stops on a luggage tag, you can suggest the agent to attach a second luggage tag for additional stops.

Boarding pass (if not able to print out) must be picked up or at airline lounge / transferdesk at carrier change point.

It helps if you have each carriers full ticketnumbers available, but i must honestly say i think it's all up if the computers are able too.