A text queries search on the content of text fields for {TAIL ~ approximate matches} to the given text search expression, e.g., the existence of certain phrases or {HEAD ~ word stems} 
A text queries search on the content of text fields for { TAIL ~ approximate matches } to the given text search expression , e.g. , the existence of certain phrases or { HEAD ~ word stems }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD