Perhaps you should try some spelling variations:
rand » brand, grand, band
sand » stand, band, san
grant » grants
gband » band, grand
ghard » guard, gharo
haro » harm, hero, har
ghart » chart, gharo, gheart, gchart, gpart
hari » hadi, harm, haji
hart » heart, chart, part

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 bonds)) OR ((grant OR gband) OR (ghard OR ((haro OR ghart) OR (hari OR hart))))) 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 bonds)) or ((grant or gband) or (ghard or ((haro or ghart) or (hari or hart))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or (hard or had)) or land) or (bond OR bonds)) or ((grant or gband) or (ghard or ((haro or ghart) or (hari or hart))))) counterinsurgency study ;*.