The interview process was very odd. I had applied for a position in Google Finance in Mountain View, but they called me about a role in Google Shanghai. I had no interest in moving there.

Furthermore, the interview process was quite strange. I was expecting to work on the Google Finance front-end, but they ended up asking me numerous search engine-related questions, for which I was unprepared.

Given X number of search terms, write an algorithm that will return the smallest substring from an article that contains all of the search terms.