Perhaps you should try some spelling variations:
hari » harm, haji, hart, harmi, hairi, harti
hand » band
grand » brand
chart » charts, charmt, chairt, chartt
head » lead
har » harm, hair, hart
hard » harmd, haird, hartd
chardti » charmdti, chairdti, chartdti
hear » heart, heard, shear
fair » air, far
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 hadi) OR had)) OR (hand OR ((bond OR bank) OR grand))) OR land) OR ((((chart OR ghairm) OR head) OR ((((art OR part) OR (har OR hear)) OR (hard OR chardti)) OR fair)) OR grant)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((bonds or ((hari OR hadi) or had)) or (hand or ((bond or bank) or grand))) or land) or ((((chart or ghairm) or head) or ((((art or part) or (har or hear)) or (hard or chardti)) or fair)) or grant)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((bonds or ((hari OR hadi) or had)) or (hand or ((bond or bank) or grand))) or land) or ((((chart or ghairm) or head) or ((((art or part) or (har or hear)) or (hard or chardti)) or fair)) or grant)) counterinsurgency study ;*.