Perhaps you should try some spelling variations:
rand » brand, grand
grandtk » gbrandtk, ggrandtk, graindtk, granddtk, irandtk
irandtk » ibrandtk, igrandtk
grandddt » gbrandddt, ggrandddt, graindddt, granddddt, irandddt
grandtkt » gbrandtkt, ggrandtkt, graindtkt, granddtkt, irandtkt
sand » stand, san
hand » hard
band » bank, bond
grank » grand, graink, grandk, irank, gbank
grant » grants, graint, grandt, irant
grantkt » grantskt, graintkt, grandtkt, irantkt
gran » grain, grand, iran
rankt » ranka, bankt
frank » fbank
rank » bank
ranks » banks

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR (sand OR (hand OR had))) OR (band OR land)) OR ((((((grank OR grant) OR (grandtk OR irandtk)) OR gran) OR frank) OR (grandddt OR ((rankt OR (rank OR ranks)) OR (grantkt OR grandtkt)))) OR ghana)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or (sand or (hand or had))) or (band or land)) or ((((((grank or grant) or (grandtk or irandtk)) or gran) or frank) or (grandddt or ((rankt or (rank OR ranks)) or (grantkt or grandtkt)))) or ghana)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((rand or (sand or (hand or had))) or (band or land)) or ((((((grank or grant) or (grandtk or irandtk)) or gran) or frank) or (grandddt or ((rankt or (rank OR ranks)) or (grantkt or grandtkt)))) or ghana)) counterinsurgency study ;*.