time complexity of the program

time complexity

import itertools

import sys

def answer(document, searchTerms):

    min = sys.maxint

    matchedString = ""

    stringList = document.split(" ")

    d = dict()

    for j in range(len(searchTerms)):

	for i in range(len(stringList)):

	    if searchTerms[j] == stringList[i]:

	        d.setdefault(searchTerms[j], []).append(i)

    for element in itertools.product(*d.values()):

	sortedList = sorted(list(element))

	differenceList = [t - s for s, t in zip(sortedList, sortedList[1:])]

	if min > sum(differenceList):

	    min = sum(differenceList)
	    sortedElement = sortedList

	    if sum(differenceList) == len(sortedElement) - 1:
	        break

    try:
	for i in range(sortedElement[0], sortedElement[len(sortedElement)-1]+1):

	    matchedString += "".join(stringList[i]) + " "

    except:
	pass

    return matchedString