Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand, grantd, graind, irand
grandtd » gbrandtd, gsandtd, granktd, granttd, brandtd, grantdtd, graindtd, irandtd
hand » hard
band » bank
grawe » grade, grace, grave, rawe, drawe, grewe
gran » grant, grain, iran
graw » raw, draw, grew
bmain » main, brain, bain
gain » gains, main
mail » main

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 (hand OR band)) OR (had OR land)) OR (bond OR bonds)) OR ((((grand OR grandtd) OR grawe) OR (gran OR (graw OR grow))) OR ((bmain OR gain) OR (rail OR mail)))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (hand or band)) or (had or land)) or (bond or bonds)) or ((((grand or grandtd) or grawe) or (gran or (graw or grow))) or ((bmain or gain) or (rail OR mail)))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (hand or band)) or (had or land)) or (bond or bonds)) or ((((grand or grandtd) or grawe) or (gran or (graw or grow))) or ((bmain or gain) or (rail OR mail)))) counterinsurgency study ;*.