Perhaps you should try some spelling variations:
rand » brand, hand
grandttd » gbrandttd, ghandttd, granted, grantttd, brandttd, grantdttd, irandttd, grawdttd
grand » gbrand, ghand, grant, brand, grantd, irand, grawd
graind » grained, grains, braind, gbraind, gmaind, ggaind
grain » brain, gbrain, gmain, ggain
rank » ranks, frank, bank
banks » bank
sand » stand, san, hand
band » bank, bond
irans » iran, trans, frans
grantdttd » granttdttd, irantdttd, grawtdttd
gran » grant, iran, graw
rain » brain, main, gain

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 ((((grandttd or grantdttd) or grantdttd) or (graind OR grain)) or grand)) or had) or (rank or banks)) or sand) or land) or band) or (irans or (gran or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR ((((grandttd OR grantdttd) OR grantdttd) OR (graind OR grain)) OR grand)) OR had) OR (rank OR banks)) OR sand) OR land) OR band) OR (irans OR (gran OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((((grandttd or grantdttd) or grantdttd) or (graind OR grain)) or grand)) or had) or (rank or banks)) or sand) or land) or band) or (irans or (gran or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((((grandttd or grantdttd) or grantdttd) or (graind OR grain)) or grand)) or had) or (rank or banks)) or sand) or land) or band) or (irans or (gran or rain))) counterinsurgency study ;*.