1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)
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COMPOUNDS
cộng sự 
fellow-worker, coworker; to work together, collaborate, cooperate
cộng sự viên collaborator, coworker
người cộng sự coworker
đồng nghiệp coworker, colleague, someone in the same profession
đồng sự colleague, coworker
cộng sự fellow-worker, coworker; to work together, collaborate, cooperate cộng sự viên collaborator, coworker người cộng sự coworker đồng nghiệp coworker, colleague, someone in the same profession đồng sự colleague, coworker