Perhaps you should try some spelling variations:
rand » brand, sand, rank
grandk » gbrandk, gsandk, grankk, grande, irandk, grawdk, trandk, brandk
grand » gbrand, gsand, grank, irand, grawd, trand, brand
hand » hard
band » bond
gran » iran, graw, tran
grant » irant, grawt, trant
grants » irants, grawts, trants, migrants
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain
irans » iran, frans
iraqs » iraqis, iraq, iraqi
grad » grade, grid, graw
gray » ray, graw
irani » iran, iraqi, rani

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 ((hand OR band) or had)) or (bank or land)) or (((grandk or (gran or (grain or rain))) or (((irans or iraqs) or trans) or (grand or grad))) or (((grant or gray) or grants) or irani))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR ((hand OR band) OR had)) OR (bank OR land)) OR (((grandk OR (gran OR (grain OR rain))) OR (((irans OR iraqs) OR trans) OR (grand OR grad))) OR (((grant OR gray) OR grants) OR irani))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or ((hand OR band) or had)) or (bank or land)) or (((grandk or (gran or (grain or rain))) or (((irans or iraqs) or trans) or (grand or grad))) or (((grant or gray) or grants) or irani))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or ((hand OR band) or had)) or (bank or land)) or (((grandk or (gran or (grain or rain))) or (((irans or iraqs) or trans) or (grand or grad))) or (((grant or gray) or grants) or irani))) counterinsurgency study ;*.