Perhaps you should try some spelling variations:
sand » stand, san, hand
band » bank, bond
grand » brand
harm » farm, hard, hardm, hairm, harim
head » lead
haro » hard, hari, hero, hardo, hairo, hario
ghartt » ghardtt, ghairtt, gharitt, gheartt, gchartt, gpartt
harttm » hardttm, hairttm, harittm, hearttm, charttm, parttm
har » hard, hair, hari
hart » hardt, hairt, harit, heart, chart, part
hartd » hardtd, hairtd, haritd, heartd, chartd, partd, hard, harth, harto
bharti » bhardti, bhairti, bhariti, bhearti, bcharti, bparti
haridm » hardidm, hairidm, hariidm
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 (air OR had)) OR (sand OR (band OR grand))) OR land) OR ((((ghartt OR (harttm OR harm)) OR head) OR (((haro OR (har OR hart)) OR (hartd OR (bharti OR bhairti))) 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 (band or grand))) or land) or ((((ghartt or (harttm or harm)) or head) or (((haro or (har OR hart)) or (hartd or (bharti or bhairti))) or haridm)) or grant)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((bonds or (air or had)) or (sand or (band or grand))) or land) or ((((ghartt or (harttm or harm)) or head) or (((haro or (har OR hart)) or (hartd or (bharti or bhairti))) or haridm)) or grant)) counterinsurgency study ;*.