Perhaps you should try some spelling variations:
rand » brand, hand, sand
granddtd » gbranddtd, ghanddtd, gsanddtd, branddtd
grand » gbrand, ghand, gsand, brand
band » bank, bond
grants » migrants
grantssed » migrantssed, granted, grassed
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 bonds)) OR ((((((grant OR grants) OR frank) OR ((granddtd OR ihanddtd) OR (grantssed OR irantssed))) OR raw) OR grand) 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 bonds)) or ((((((grant OR grants) or frank) or ((granddtd or ihanddtd) or (grantssed or irantssed))) or raw) or grand) or (grain or rain))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or bonds)) or ((((((grant OR grants) or frank) or ((granddtd or ihanddtd) or (grantssed or irantssed))) or raw) or grand) or (grain or rain))) counterinsurgency study ;*.