die Symptombekämpfung — fighting the symptoms. Das ist reine Symptombekämpfung, that is pure symptom-fighting, is a standard charge in political and business debate.
herumdoktern — to doctor around. DWDS: to try to heal with amateur methods, and more widely to try everything to get something working again.
an den Symptomen herumdoktern — to doctor around at the symptoms.
im Dunkeln tappen — to grope in the dark, to have no clear knowledge.
im Nebel stochern — to poke around in the fog.
auf gut Glück — on good luck, at random.