Answer:
Improving a widely used job-search website so that it matches workers to job vacancies more effectively
Step-by-step explanation:
In order to reduce unemployment, the government needs to create more jobs. One of the ways would be create more effective ways of connecting unemployed people with job vacancies so more and more people can get jobs without spending too much time in job search.
Therefore the correct option is "Improving a widely used job-search website so that it matches workers to job vacancies more effectively"