Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, grant, brand
sand » stand, band, hand
bond » bonds
grank » grant, frank, rank
hart » heart, part, art
ghart » gheart, gpart, gart, gharo
chart » cheart, cpart, cart, charts
cheart » heart, cheat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((rand or (sand or san)) or (bank or had)) or land) or bond) or ((grank or grand) or (guard or ((hart or ghart) or (hadi or (chart OR cheart)))))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR (sand OR san)) OR (bank OR had)) OR land) OR bond) OR ((grank OR grand) OR (guard OR ((hart OR ghart) OR (hadi OR (chart OR cheart)))))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or (sand or san)) or (bank or had)) or land) or bond) or ((grank or grand) or (guard or ((hart or ghart) or (hadi or (chart OR cheart)))))) counterinsurgency study ;*".