Originally Posted by FlyerGoldII

It is becoming more clear.

I was able to replicate your results, when removing the filter for Star Alliance airlines, and requesting a display for all airlines.

My results were displayed with filter on for Star Alliance airlines.

Pandaperth's example (post $4816) was was ANZ only.

I am confused - why the Star Alliance option gives fewer options than individual airlines like NZ or SQ (I entered SQ - more fare options than my display, but less so than your example above).