To the first poster:
Since I cannot pst a link yet, just search " phil embassy uk labour guidelines " , it should be the first result on google. (I tried it.) You can find the info there about british national wanting to hire filipino worker such as nanny.cook, etc.
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Nurses trained overseas, outside the EU, must register through the NMC's Overseas Nursing Programme (ONP).The Tier 1 - General Skilled Migration visa allows non-EU citizens without a job offer to live and work in the UK. So since your gf has no job offer should use this UK immigration option. Search for Tier 1 - General skilled visa requirements. There are so many sites also in which she just have to fill up the form to check her eligibility for that visa.