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
grawe » grade, grace, grave, growe, rawe, drawe
gran » grant, grain, iran
graw » grow, raw, draw
brain » bmain, bgain
rain » main, gain
grail » grain, trail, frail, gmail
rail » mail

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