Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, grant, brand
grank » grant, frank, rank
gband » band
gpart » part, apart, ipart, gppart
heart » heat, hepart
cheart » cheat, chepart, chart
art » part
cheat » heat, wheat, cheap

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 stand) OR (bank OR had)) OR land) OR bonds) OR ((grank OR (gband OR grand)) OR (gpart OR (((heart OR art) OR gpart) OR (hard OR (cheart OR cheat)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or stand) or (bank or had)) or land) or bonds) or ((grank or (gband or grand)) or (gpart or (((heart or art) or gpart) or (hard or (cheart OR cheat)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or stand) or (bank or had)) or land) or bonds) or ((grank or (gband or grand)) or (gpart or (((heart or art) or gpart) or (hard or (cheart OR cheat)))))) counterinsurgency study ;*.