Perhaps you should try some spelling variations:
graind » grained, grain, grains
graindtk » grainedtk, graintk, grainstk
sand » stand, san
hand » hard
band » bank, bond
grandk » grand, grande, grantdk, graindk, granddk
granddk » grantddk, grainddk, grandddk
gran » grant, grain, grand
grandt » grantdt, graindt, granddt, grant, grand, grande
grantkt » granttkt, graintkt, grandtkt
franks » ranks, frans, frankss, fbanks
frank » franks, fbank
rank » ranks, bank

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((graind or (sand or (hand or had))) or (band or land)) or ((((((grandk OR granddk) or graindtk) or gran) or (frank or franks)) or (grandt or (rank or grantkt))) or ghana)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((graind OR (sand OR (hand OR had))) OR (band OR land)) OR ((((((grandk OR granddk) OR graindtk) OR gran) OR (frank OR franks)) OR (grandt OR (rank OR grantkt))) OR ghana)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((graind or (sand or (hand or had))) or (band or land)) or ((((((grandk OR granddk) or graindtk) or gran) or (frank or franks)) or (grandt or (rank or grantkt))) or ghana)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((graind or (sand or (hand or had))) or (band or land)) or ((((((grandk OR granddk) or graindtk) or gran) or (frank or franks)) or (grandt or (rank or grantkt))) or ghana)) counterinsurgency study ;*.