Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand, irand, grawd, grayd
band » bank
bond » bonds
grawd » graw, grad
gsand » sand
grant » grants, irant, grawt, grayt
granttd » grantstd, granted, iranttd, grawttd, grayttd
graind » grained, grains, braind, gbraind, gmaind, ggaind
grawe » grade, grace, graw
draw » draws, raw
gran » iran, graw, gray
grain » brain, gbrain, gmain, ggain
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 hard) OR (had OR land)) OR (band OR bond)) OR ((((((((grand OR grawd) OR gsand) OR grant) OR graind) OR granttd) OR (grawe OR draw)) OR (gran OR grain)) OR rain)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (band or bond)) or ((((((((grand OR grawd) or gsand) or grant) or graind) or granttd) or (grawe or draw)) or (gran or grain)) or rain)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or bond)) or ((((((((grand OR grawd) or gsand) or grant) or graind) or granttd) or (grawe or draw)) or (gran or grain)) or rain)) counterinsurgency study ;*.