1) Abnormal breath sounds 2) Abnormal breathing sounds 3) Abnormal respiratory sounds 4) Audible breathing sounds 5) Bad breaths 6) Breathing anomalies 7) Breathing sounds 8) Chest congestion sounds 9) Chest cracklings 10) Chest rattles 11) Chest rounds 12) Chest sounds 13) Coughing sounds 14) Coughs 
See crepitations
Abnormal sounds in the lungs, either from excess secretions or the narrowing of the bore by inflammation or congestion.
Sounds in the lungs, often indicative of disease.
abnormal crackling or bubbling sounds heard in the lungs during breathing 
any abnormal sounds coming from the airways of birds