Perhaps you should try some spelling variations:
rand » brand, grand, rank
grandtd » gbrandtd, ggrandtd, granktd
hand » hard
band » bank, bond
sand » stand, san
graild » grail
drawe » draws, draw, drake
drawn » draws, draw
brail » brazil, brasil, rail
braint » brains, brant, bmaint, bgaint, brailt
brain » bmain, bgain, brail
rain » main, gain, rail

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR (had OR land)) OR (band OR bonds)) OR (((((sand OR graild) OR grandtd) OR (drawe OR drawn)) OR (sand OR grow)) OR ((((brain OR brail) OR brail) OR braint) OR rain))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hand) or (had or land)) or (band or bonds)) or (((((sand or graild) or grandtd) or (drawe or drawn)) or (sand or grow)) or ((((brain OR brail) or brail) or braint) or rain))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bonds)) or (((((sand or graild) or grandtd) or (drawe or drawn)) or (sand or grow)) or ((((brain OR brail) or brail) or braint) or rain))) counterinsurgency study ;*.