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 » bond
grank » grand, graink, grandk, irank, granks
grant » grants, graint, grandt, irant
grantkt » grantskt, graintkt, grandtkt, irantkt
gran » grain, grand, iran
rankt » ranks, ranka, rankst
frank » franks
rank » ranks

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 (sand or (hand or had))) or (band or land)) or ((((((grank or grant) or (grandtk or irandtk)) or gran) or (frank or (fbank OR bank))) or (grandddt or ((rankt or rank) or (grantkt or grandtkt)))) or ghana)) counterinsurgency study ;~.
• 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 (fbank OR bank))) OR (grandddt OR ((rankt OR rank) 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 (fbank OR bank))) or (grandddt or ((rankt or rank) 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 (fbank OR bank))) or (grandddt or ((rankt or rank) or (grantkt or grandtkt)))) or ghana)) counterinsurgency study ;*.