Perhaps you should try some spelling variations:
rank » ranks, frank
franks » frankss, ffranks, ranks, frank, frans
hand » hard
band » bond
graintd » grained, braintd, raintd
granttd » granted, grantttd, iranttd, grawttd
grainttd » granted, grained, brainttd, rainttd
braink » brain, brains
grand » grant, brand, grantd, irand, grawd
irandk » brandk, irank, randk
irand » brand, iran, rand
gran » grant, iran, graw
grain » brain, rain

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((stand or (rank or franks)) or (hand or had)) or ((band or bank) or land)) or ((graintd or ((granttd OR grawttd) or grainttd)) or ((braink or (irandk or (grand or irand))) or (gran or grain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((stand OR (rank OR franks)) OR (hand OR had)) OR ((band OR bank) OR land)) OR ((graintd OR ((granttd OR grawttd) OR grainttd)) OR ((braink OR (irandk OR (grand OR irand))) OR (gran OR grain)))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((stand or (rank or franks)) or (hand or had)) or ((band or bank) or land)) or ((graintd or ((granttd OR grawttd) or grainttd)) or ((braink or (irandk or (grand or irand))) or (gran or grain)))) counterinsurgency study ;*".