Perhaps you should try some spelling variations:
rand » brand, grand, hand
sand » stand, san, hand
bond » bonds
grank » frank, grand, rank
grant » grants
ghard » guard, gharo
haro » harm, hero, har
hart » chart, art, harm
heart » heat
hari » hadi, harm, haji

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