Perhaps you should try some spelling variations:
sand » stand, hand
bond » bonds
grank » grant, frank, rank
grand » grant, brand
ghard » guard, gharo
harm » farm
hart » heart, part, art
chart » cheart, cpart, cart, charts
hari » hadi, haji, ari
cpart » part, apart, cpar

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