Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, grant, brand, grantd, irand, grayd
grantd » granted, grants, grant, granttd, irantd, graytd
grade » trade
grave » gravel, grace
graw » grow, draw, grew
drat » draw, drag, dat, drate
rawt » rawat, raft, raut
rat » rate
frans » frank, franz, trans
gran » grant, iran, gray
grain » brain, rain

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 ((((grantd OR grand) OR ((grade OR grave) OR graw)) OR ((drat OR draft) OR ((rawt OR raw) OR rat))) OR grand)) OR had) OR bank) OR stand) OR land) OR bonds) OR (frans OR (gran OR grain))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((((grantd or grand) or ((grade or grave) or graw)) or ((drat or draft) or ((rawt or raw) or rat))) or grand)) or had) or bank) or stand) or land) or bonds) or (frans or (gran OR grain))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((((grantd or grand) or ((grade or grave) or graw)) or ((drat or draft) or ((rawt or raw) or rat))) or grand)) or had) or bank) or stand) or land) or bonds) or (frans or (gran OR grain))) counterinsurgency study ;*.