Perhaps you should try some spelling variations:
hand » band
sand » stand, band, san
bond » bonds
grank » grant, frank, rank
grand » grant, brand
ghard » guard, gharo
haro » harm, hero, har
hart » chart, art, harm
heart » heat
hari » hadi, harm, haji
cart » chart, carts, care

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: (((((hand OR sand) OR (bank OR had)) OR land) OR bond) OR ((grank OR grand) OR ((ghard OR hard) OR ((haro OR (hart OR heart)) OR (hari OR (cart OR part)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((hand or sand) or (bank or had)) or land) or bond) or ((grank or grand) or ((ghard or hard) or ((haro or (hart or heart)) or (hari or (cart OR part)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((hand or sand) or (bank or had)) or land) or bond) or ((grank or grand) or ((ghard or hard) or ((haro or (hart or heart)) or (hari or (cart OR part)))))) counterinsurgency study ;*.