Perhaps you should try some spelling variations:
rand » brand, hand, sand
grandttd » gbrandttd, ghandttd, gsandttd, granted, brandttd
grand » gbrand, ghand, gsand, brand
ggained » gained, grained, regained
rank » ranks, frank, bank
banks » bank
band » bank, bond
irani » iran, iraqi, rani
frans » frank, franz, trans
grantdttd » grantsdttd
grant » grants
rain » main, gain, rail
brain » bmain, bgain, brail

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