Perhaps you should try some spelling variations:
hand » had, band, hard
rank » frank
ranks » franks, banks
franks » ffranks, fbanks, frank, frans
sand » band, san
grawd » graw, grawe
grad » grade, grid, graw
grand » grant, brand, grantd, graind, irand
grandt » grantt, brandt, grantdt, graindt, irandt, grant, grande
grains » grain, gbrains, gmains, grails
rain » brain, main, rail
gain » gains, main
gran » grant, grain, iran
grawt » grant, graw, graft

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((hand or (rank or ((ranks or franks) or franks))) or (sand or stand)) or ((bonds or bank) or land)) or ((grawd or (grad OR grand)) or ((grains or (rain or gain)) or (gran or (grandt or grawt))))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hand OR (rank OR ((ranks OR franks) OR franks))) OR (sand OR stand)) OR ((bonds OR bank) OR land)) OR ((grawd OR (grad OR grand)) OR ((grains OR (rain OR gain)) OR (gran OR (grandt OR grawt))))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((hand or (rank or ((ranks or franks) or franks))) or (sand or stand)) or ((bonds or bank) or land)) or ((grawd or (grad OR grand)) or ((grains or (rain or gain)) or (gran or (grandt or grawt))))) counterinsurgency study ;*".