1) Classified 2) Classified blurb 3) Classified info 4) Classified information 5) Classified listing 6) Classified notice 7) Classified thing 8) Classified work notice 9) Craigslist listing 10) Craigslist posting 11) It may be personal 12) It may fill an opening 13) It may show an opening 14) It shows an opening 
[n] - a newspaper advertisement stating what is wanted
noun a newspaper advertisement stating what is wanted