Perhaps you should try some spelling variations:
sand » stand, san, hand
band » bank, bond
grand » brand
harm » farm, hard, hardm, hairm, harim
head » lead
hardy » hardly, hard, harry, harddy, hairdy, haridy
gharddtt » ghardddtt, ghairddtt, ghariddtt
har » hard, hair, hari
hart » hardt, hairt, harit, heart, chart, part
harit » hardit, hairit, hariit, harrit, harwit, hari
harsh » hardsh, hairsh, harish
harddmidm » hardddmidm, hairddmidm, hariddmidm
harddm » hardddm, hairddm, hariddm
grant » grants

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((bonds or (air or had)) or (sand or (band or grand))) or land) or ((((gharddtt or harm) or head) or (((hardy or ((har OR hart) or harit)) or (harsh or bpartti)) or (harddmidm or (harddm or hearddm)))) or grant)) counterinsurgency study ;~.
• 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 ((((gharddtt OR harm) OR head) OR (((hardy OR ((har OR hart) OR harit)) OR (harsh OR bpartti)) OR (harddmidm OR (harddm OR hearddm)))) 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 ((((gharddtt or harm) or head) or (((hardy or ((har OR hart) or harit)) or (harsh or bpartti)) or (harddmidm or (harddm or hearddm)))) or grant)) counterinsurgency study ;*".