Perhaps you should try some spelling variations:
rand » brand, grand, hand
irand » ibrand, igrand, ihand, brand, iran, grand
grained » gained, trained, strained
gain » gains, main
flanks » planks
sand » san, hand
bond » bonds
irans » iran, trans, frans
gran » grant, grain, grand

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 band) OR ((grained OR (gain OR brain)) OR irand)) OR had) OR (frank OR flanks)) OR (sand OR stand)) OR land) OR (bank OR bond)) OR ((irans OR franz) OR gran)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((rand OR band) or ((grained or (gain or brain)) or irand)) or had) or (frank or flanks)) or (sand or stand)) or land) or (bank or bond)) or ((irans or franz) or gran)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((((rand OR band) or ((grained or (gain or brain)) or irand)) or had) or (frank or flanks)) or (sand or stand)) or land) or (bank or bond)) or ((irans or franz) or gran)) counterinsurgency study ;*.