Perhaps you should try some spelling variations:
rand » brand, grand, band
sand » stand, band, san
bond » bonds
gband » band, grand
ghard » guard, gharo
haro » hari, hero, har
gpart » part, apart, ipart
harm » farm
hart » chart, part, art
heart » heat

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 sand) OR (hard OR had)) OR land) OR bond) OR ((gband OR gband) OR (ghard OR ((haro OR gpart) OR (harm OR (hart OR heart)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or sand) or (hard or had)) or land) or bond) or ((gband or gband) or (ghard or ((haro or gpart) or (harm or (hart OR heart)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or (hard or had)) or land) or bond) or ((gband or gband) or (ghard or ((haro or gpart) or (harm or (hart OR heart)))))) counterinsurgency study ;*.