Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, brand, graind, irand, grawd
rank » ranks, frank, bank
grank » granks, gfrank, gbank, frank, graink, irank, grawk
irank » iranks, ifrank, ibank, frank, iran, irani
granktd » grankstd, gfranktd, gbanktd, franktd, grainktd, iranktd, grawktd
hand » hard
band » bank, bond
grant » grants, graint, irant, grawt
grawe » grade, graw, grave
grace » grade, race
gran » grain, iran, graw
rain » brain, main, gain

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 rank) OR hand) OR (had OR land)) OR (band OR bonds)) OR ((((((grand OR grant) OR (grank OR irank)) OR granktd) OR (grawe OR grace)) OR (gran OR rain)) OR rain)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand OR rank) or hand) or (had or land)) or (band or bonds)) or ((((((grand or grant) or (grank or irank)) or granktd) or (grawe or grace)) or (gran or rain)) or rain)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand OR rank) or hand) or (had or land)) or (band or bonds)) or ((((((grand or grant) or (grank or irank)) or granktd) or (grawe or grace)) or (gran or rain)) or rain)) counterinsurgency study ;*.