ATC & approaches...

Hello, I am a FS9 flyer for years now, but I recently discoverd a FS9 feature: IFR approaches.:-hmmm When I was flying to Heathrow (EGLL) the ATC gave me multiple options for the 27R approach (eg. LAM, BIG, BNN, EPM) Happy as I was, I then started to try this at other airports such as Schiphol (EHAM), Standsted (EGSS), Paris CDG (LFPG) but this time NO list of approaches available... (strange? The GPS gave multiple available approaches for many runways, just as EGLL)Does anyone know what's behind this? I'd really like to know... btw, I considered the wind direction/runway.(otherwise I'll get back te my PMDG 737/747 and use SID's and STAR's again or perhaps I'll get Radar Contact 4)thank you, regards Bastiaan