Perhaps you should try some spelling variations:
sand » stand, san, hand
band » bank
grand » brand
harm » farm, hard, hardm, hartm, harim
hairm » hairi, fairm
hair » fair
head » lead
hardo » hard, hardy, pardo, harddo, hartdo, harido
ghardtt » gharddtt, ghartdtt, gharidtt
har » hard, hart, hari
chart » chardt, chartt, charit, charts
harsh » hardsh, hartsh, harish
bhartti » bhardtti, bharttti, bharitti, bharti, bhatti
harddmidm » hardddmidm, hartddmidm, hariddmidm
harddm » hardddm, hartddm, 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 bond) or grand))) or land) or ((((ghardtt or (harm or (hairm OR hair))) or head) or (((hardo or (har or chart)) or (harsh or bhartti)) or (harddmidm or harddm))) 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 bond) OR grand))) OR land) OR ((((ghardtt OR (harm OR (hairm OR hair))) OR head) OR (((hardo OR (har OR chart)) OR (harsh OR bhartti)) OR (harddmidm OR harddm))) 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 bond) or grand))) or land) or ((((ghardtt or (harm or (hairm OR hair))) or head) or (((hardo or (har or chart)) or (harsh or bhartti)) or (harddmidm or harddm))) or grant)) counterinsurgency study ;*".