| March | 29/03/1978 | Argentina | - | Bulgaria | 3:1 |  |
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| April | 01/04/1978 | Peru | - | Bulgaria | 1:1 | ||||
| April | 04/04/1978 | Mexico | - | Bulgaria | 3:0 | ||||
| April | 23/04/1978 | CSSR | - | Bulgaria | 0:0 | ||||
| May | 03/05/1978 | Romania | - | Bulgaria | 2:0 | ||||
| May | 31/05/1978 | Bulgaria | - | Romania | 1:1 | ||||
| August | 04/08/1978 | Bulgaria | - | Romania | 2:0 | ||||
| August | 30/08/1978 | GDR | - | Bulgaria | 2:2 |
Bulgaria