It is the combination of platinum-based (cisplatin, carboplatin) chemotherapy AND docetaxel, paclitaxel, vinorelbine, gemcitabine or irinotecan ... based chemotherapy.
...platinum-doublet chemotherapy (Carboplatin AUC 6+Paclitaxel 200mg/m2 day1 Q3w, Cisplatin 80mg/m2 day1+Irinotecan 60mg/m2 day1,8,15 Q4W, Cisplatin 80mg/m2 day1+Vinorelbine 25mg/m2 day1,8 Q3W, Cisplatin 80mg/m2 + Docetaxel 60mg/m2 day1 Q3W, or Cisplatin 80mg/m2 day1+Gemcitabine 1,000mg/m2 day1, 8 Q3W) up to 6 cycles ...