Perhaps you should try some spelling variations:
rand » brand, grand, hand
ggrandttd » ggbrandttd, gggrandttd, gghandttd, ggrantdttd, ggranddttd, girandttd
irand » ibrand, igrand, ihand, brand, iran, grand
rank » ranks, frank, bank
fbanks » banks, flanks
band » bank, bond
gran » grant, grand, iran
grains » gmains, ggains, grails
grain » gmain, ggain, grail
brain » bmain, bgain, brail
rain » main, gain, rail

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR ((ggrandttd OR (grains OR (grain OR brain))) OR irand)) OR had) OR (rank OR fbanks)) OR (san OR stand)) OR land) OR band) OR (trans OR (gran OR rain))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((ggrandttd or (grains or (grain OR brain))) or irand)) or had) or (rank or fbanks)) or (san or stand)) or land) or band) or (trans or (gran or rain))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((ggrandttd or (grains or (grain OR brain))) or irand)) or had) or (rank or fbanks)) or (san or stand)) or land) or band) or (trans or (gran or rain))) counterinsurgency study ;*.