Perhaps you should try some spelling variations:
sand » stand, san, hand
band » bank, bond
grand » brand
harm » farm
harmo » farmo, harms, haro, jarmo
heat » head
carmo » carlo, camo, carbo
hari » hadi, haji, hart
haridm » hadidm, hajidm, hartdm
hartd » hart, harto
harth » hearth, earth, hart
grant » grants

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: ((((bonds OR (air OR had)) OR (sand OR (band OR grand))) OR land) OR ((((ghartt OR harm) OR heat) OR ((((harmo OR (carmo OR cargo)) OR (hard OR hari)) OR ((hartd OR harth) OR bharti)) OR haridm)) OR grant)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bonds or (air or had)) or (sand or (band or grand))) or land) or ((((ghartt or harm) or heat) or ((((harmo or (carmo or cargo)) or (hard or hari)) or ((hartd OR harth) or bharti)) or haridm)) or grant)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((bonds or (air or had)) or (sand or (band or grand))) or land) or ((((ghartt or harm) or heat) or ((((harmo or (carmo or cargo)) or (hard or hari)) or ((hartd OR harth) or bharti)) or haridm)) or grant)) counterinsurgency study ;*.