Perhaps you should try some spelling variations:
rand » brand, grand, band
ggrandk » ggbrandk, gggrandk, ggbandk, ggranddk, girandk, ggrawdk
granddk » gbranddk, ggranddk, gbanddk, grandddk, iranddk, grawddk
grandddk » gbrandddk, ggrandddk, gbandddk, granddddk, irandddk, grawdddk
iirand » iibrand, iigrand, iiband
hand » band
gran » grand, iran, graw
grant » grandt, irant, grawt, grants
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain
drained » dbrained, dmained, dgained, trained, grained, strained

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 hard) or had)) or (bank or land)) or ((((ggrandk or (granddk or grandddk)) or (gran or (grain OR rain))) or ((iirand or iggbandd) or (drained or gained))) or grant)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR ((hand OR hard) OR had)) OR (bank OR land)) OR ((((ggrandk OR (granddk OR grandddk)) OR (gran OR (grain OR rain))) OR ((iirand OR iggbandd) OR (drained OR gained))) OR grant)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or ((hand or hard) or had)) or (bank or land)) or ((((ggrandk or (granddk or grandddk)) or (gran or (grain OR rain))) or ((iirand or iggbandd) or (drained or gained))) or grant)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or ((hand or hard) or had)) or (bank or land)) or ((((ggrandk or (granddk or grandddk)) or (gran or (grain OR rain))) or ((iirand or iggbandd) or (drained or gained))) or grant)) counterinsurgency study ;*.