The search engine may apply an approximate string matching process when comparing {HEAD ~ the verbal descriptors} of the map objects to {TAIL ~ the query terms} 
objects to
The search engine may apply an approximate string matching process when comparing { HEAD ~ the verbal descriptors } of the map objects to { TAIL ~ the query terms }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL