Generally, {HEAD ~ the order} in which the query terms appear in {TAIL ~ the query} is insignificant 
Generally , { HEAD ~ the order } in which the query terms appear in { TAIL ~ the query } is insignificant
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH