Perhaps you should try some spelling variations:
rand » brand, sand
irand » ibrand, isand, brand, iran, irans
igrand » igbrand, igsand, iirand, igrawd, igrayd, ibrand
grand » gbrand, gsand, irand, grawd, grayd, brand
rank » ranks
frank » franks
franks » frankss, ranks, frans
hand » had, hard
band » bond
grant » grants, irant, grawt, grayt
irani » iran, iraqi, rani
graind » grained, grains, grain, grainy, braind, raind
raind » rain, rainy, rains
gran » iran, graw, gray
grain » brain, rain

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 rank) or (frank or franks)) or hand) or land) or (band or bank)) or (((grant or ((irand OR irani) or igrand)) or (graind or raind)) or ((gran or grand) or grain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((rand OR rank) OR (frank OR franks)) OR hand) OR land) OR (band OR bank)) OR (((grant OR ((irand OR irani) OR igrand)) OR (graind OR raind)) OR ((gran OR grand) OR grain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand or rank) or (frank or franks)) or hand) or land) or (band or bank)) or (((grant or ((irand OR irani) or igrand)) or (graind or raind)) or ((gran or grand) or grain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((rand or rank) or (frank or franks)) or hand) or land) or (band or bank)) or (((grant or ((irand OR irani) or igrand)) or (graind or raind)) or ((gran or grand) or grain))) counterinsurgency study ;*.