classified advertisements

Từ điển Oxford Advanced Learner 8th

ˌclassified adˈvertisements [classified advertisements] BrE NAmE (also ˌclassified ˈads, ˈclassifieds) (BrE also ˈsmall ads) (NAmE also ˈwant ads) noun plural
the section in a newspaper with small advertisements arranged in groups according to their subject, that are placed by people or small companies who want to buy or sell sth, find or offer a job, etc.
See also: ↑classified ads ▪ ↑small ads ▪ ↑want ads