Perhaps you should try some spelling variations:
sand » stand, band, san
grand » brand
harm » farm, hard, hardm, hairm, hartm
heat » head
hardo » hard, hardy, pardo, harddo, hairdo, hartdo
hairdy » hardy, haidy
har » hard, hair, hart
hartd » hardtd, hairtd, harttd, hard, hart, harto
harth » hardth, hairth, hartth, hearth, earth, hart
bharti » bhardti, bhairti, bhartti
haridm » hardidm, hairidm, hartidm
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 ((bond or bank) or grand))) or land) or ((((ghairtt or harm) or heat) or ((((hardo or hairdy) or har) or ((hartd OR harth) or bharti)) or haridm)) 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 ((bond OR bank) OR grand))) OR land) OR ((((ghairtt OR harm) OR heat) OR ((((hardo OR hairdy) OR har) 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 ((bond or bank) or grand))) or land) or ((((ghairtt or harm) or heat) or ((((hardo or hairdy) or har) or ((hartd OR harth) or bharti)) or haridm)) or grant)) counterinsurgency study ;*".