Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand
irand » ibrand, isand, irank, brand, iran, irani
hand » hard
band » bank
bond » bonds
grant » grants
granttd » grantstd, granted
graind » grained, braind, gbraind, gmaind, ggaind
grawe » grace, graw, grave
grade » trade
grains » brains, gbrains, gmains, ggains
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((rand or hand) or (had or land)) or (band or bond)) or (((((((grand or irand) or grant) or (graind OR grains)) or granttd) or ((grawe or grade) or raw)) or grain) or rain)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR (had OR land)) OR (band OR bond)) OR (((((((grand OR irand) OR grant) OR (graind OR grains)) OR granttd) OR ((grawe OR grade) OR raw)) OR grain) 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 bond)) or (((((((grand or irand) or grant) or (graind OR grains)) or granttd) or ((grawe or grade) or raw)) or grain) or rain)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bond)) or (((((((grand or irand) or grant) or (graind OR grains)) or granttd) or ((grawe or grade) or raw)) or grain) or rain)) counterinsurgency study ;*.