Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, brand, graind, irand, grawd
irand » ibrand, isand, brand, iran, irani
graind » grained, grain, grains
grawd » graw, grad, grawe
grant » grants, graint, irant, grawt
hand » had, hard
rank » ranks, bank
frank » franks, fbank
band » bank, bond
irans » iran, trans, frans
gran » grain, iran, graw

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 ((((grand OR graind) OR grawd) OR grant) OR irand)) OR hand) OR (rank OR frank)) OR stand) OR land) OR band) OR (irans OR gran)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((((grand OR graind) or grawd) or grant) or irand)) or hand) or (rank or frank)) or stand) or land) or band) or (irans or gran)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((((grand OR graind) or grawd) or grant) or irand)) or hand) or (rank or frank)) or stand) or land) or band) or (irans or gran)) counterinsurgency study ;*.