Perhaps you should try some spelling variations:
hari » hard, hadi, haji, hardi, hairi, heari
hardi » hardin, hard, hadi, harddi, hairdi, heardi
harm » farm, hard, hardm, hairm, hearm
gharm » gfarm, ghard, gharo, sharm, ghardm, ghairm, ghearm
hand » hard
band » bond
grand » brand
ghart » chart, gharo, gheart, gchart, gpart, ghardt, ghairt
head » lead
hart » heart, chart, part, hardt, hairt
har » hard, hair, hear
charddti » chardddti, chairddti, chearddti
hairi » hair, haiti
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 (((hari OR hardi) OR harm) OR had)) OR (hand OR ((band OR bank) OR grand))) OR land) OR ((((ghart OR gharm) OR head) OR (((hart OR har) OR (hardi OR charddti)) OR hairi)) OR grant)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bonds or (((hari OR hardi) or harm) or had)) or (hand or ((band or bank) or grand))) or land) or ((((ghart or gharm) or head) or (((hart or har) or (hardi or charddti)) or hairi)) or grant)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((bonds or (((hari OR hardi) or harm) or had)) or (hand or ((band or bank) or grand))) or land) or ((((ghart or gharm) or head) or (((hart or har) or (hardi or charddti)) or hairi)) or grant)) counterinsurgency study ;*.