Perhaps you should try some spelling variations:
grant » grants, irant, grawt, grayt
grand » brand, irand, grawd, grayd
grains » brains, grailns, gbrains, gmains, ggains
grain » brain, grailn, gbrain, gmain, ggain
rank » ranks, frank
sand » stand, band, san
gran » iran, graw, gray
irani » iran, iraqi, irand, iani, irana
rani » rand, ani, rana
rai » rail
rain » railn, 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: (((((((grant or ((grand or (grains OR grain)) or grand)) or had) or rank) or sand) or land) or (bank or bonds)) or (trans or (gran or (irani or ((rani or ravi) or (rai or rain)))))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((grant OR ((grand OR (grains OR grain)) OR grand)) OR had) OR rank) OR sand) OR land) OR (bank OR bonds)) OR (trans OR (gran OR (irani OR ((rani OR ravi) OR (rai OR rain)))))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((grant or ((grand or (grains OR grain)) or grand)) or had) or rank) or sand) or land) or (bank or bonds)) or (trans or (gran or (irani or ((rani or ravi) or (rai or rain)))))) counterinsurgency study ;*".