Perhaps you should try some spelling variations:
rand » brand, band, rank
grand » gbrand, gband, grank, grant, brand
sand » stand, band
hand » had, band, hard
bond » bonds
grank » grant, frank, rank
gband » band
ghard » hard, guard, gharo
gharm » harm, gharo, sharm
haro » hard, harm, hari
gheart » heart
hadi » had
hart » heart, part, art
chart » cheart, cpart, cart, charts

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 san)) OR hand) OR land) OR bond) OR (((grand OR grank) OR gband) OR ((ghard OR gharm) OR ((haro OR gheart) OR (hadi OR (hart OR chart)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or (sand or san)) or hand) or land) or bond) or (((grand or grank) or gband) or ((ghard or gharm) or ((haro or gheart) or (hadi or (hart OR chart)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or (sand or san)) or hand) or land) or bond) or (((grand or grank) or gband) or ((ghard or gharm) or ((haro or gheart) or (hadi or (hart OR chart)))))) counterinsurgency study ;*.