Perhaps you should try some spelling variations:
rand » brand, hand, rank
grand » gbrand, ghand, grank, grant, brand
sand » stand, san, hand
bond » bonds
grank » grant, frank, rank
haro » harm, hero, har
hart » part, art, harm
chart » cpart, cart, charm, charts
heart » heat
hari » hadi, harm, haji
cart » carts, part, 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: (((((rand OR (sand OR band)) OR (bank OR had)) OR land) OR bond) OR ((grank OR grand) OR ((guard OR hard) OR ((haro OR ((hart OR chart) OR heart)) OR (hari OR cart))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or (sand OR band)) or (bank or had)) or land) or bond) or ((grank or grand) or ((guard or hard) or ((haro or ((hart or chart) or heart)) or (hari or cart))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or (sand OR band)) or (bank or had)) or land) or bond) or ((grank or grand) or ((guard or hard) or ((haro or ((hart or chart) or heart)) or (hari or cart))))) counterinsurgency study ;*.