Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, brand, irand, grawd, grayd
grant » grants, irant, grawt, grayt
grawe » grade, grace, graw
grave » gravel, grade, grace
drat » draft, draw, drag
rawt » rawat, raw, rat
irans » iran, trans, frans
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 ((((grant or grand) or ((grawe or grave) or grow)) or (drat or rawt)) or grand)) or had) or bank) or stand) or land) or bonds) or (irans or (gran OR grain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR ((((grant OR grand) OR ((grawe OR grave) OR grow)) OR (drat OR rawt)) OR grand)) OR had) OR bank) OR stand) OR land) OR bonds) OR (irans OR (gran OR grain))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((((grant or grand) or ((grawe or grave) or grow)) or (drat or rawt)) or grand)) or had) or bank) or stand) or land) or bonds) or (irans or (gran OR grain))) counterinsurgency study ;*".