Perhaps you should try some spelling variations:
rand » brand, grand, band
grandk » gbrandk, ggrandk, gbandk, grand, granddk, irandk, grawdk
ggrandk » ggbrandk, gggrandk, ggbandk, ggrand, ggranddk, girandk, ggrawdk
granddk » gbranddk, ggranddk, gbanddk, grandddk, iranddk, grawddk
igrand » igbrand, iggrand, igband, igrandd, iirand, igrawd, grand
igrandd » igbrandd, iggrandd, igbandd, igranddd, iirandd, igrawdd, grandd
grandt » gbrandt, ggrandt, gbandt, granddt, irandt, grawdt, grand, brandt
grande » gbrande, ggrande, gbande, grandde, irande, grawde, grade, grand
hand » band, hard
gran » grand, iran, graw
grant » grandt, irant, grawt, grants
grain » brain, rain
grained » brained, rained, trained, strained
grawts » grants

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((rand or (hand or had)) or (bank or land)) or ((((((grandk OR grawdk) or ggrandk) or granddk) or (gran or grain)) or ((igrand or igrandd) or (grained or gained))) or ((grant or (grandt or grande)) or grawts))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR (hand OR had)) OR (bank OR land)) OR ((((((grandk OR grawdk) OR ggrandk) OR granddk) OR (gran OR grain)) OR ((igrand OR igrandd) OR (grained OR gained))) OR ((grant OR (grandt OR grande)) OR grawts))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or (hand or had)) or (bank or land)) or ((((((grandk OR grawdk) or ggrandk) or granddk) or (gran or grain)) or ((igrand or igrandd) or (grained or gained))) or ((grant or (grandt or grande)) or grawts))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or (hand or had)) or (bank or land)) or ((((((grandk OR grawdk) or ggrandk) or granddk) or (gran or grain)) or ((igrand or igrandd) or (grained or gained))) or ((grant or (grandt or grande)) or grawts))) counterinsurgency study ;*.