Perhaps you should try some spelling variations:
rand » brand, grand, sand
hand » had, hard
band » bank
gband » gbank, grand
grank » grant, frank, grand
gbank » bank
haro » hard, harm, hart
gharo » ghard, gharm, ghart
gharm » harm, sharm
hari » hard, hadi, harm
head » had, lead

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 stand) OR hand) OR land) OR (bond OR bonds)) OR (((band OR grank) OR (gband OR gbank)) OR (guard OR ((haro OR (gharo OR gharm)) OR (hari OR (heart OR (heat OR head))))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or stand) or hand) or land) or (bond or bonds)) or (((band or grank) or (gband or gbank)) or (guard or ((haro or (gharo OR gharm)) or (hari or (heart or (heat or head))))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or stand) or hand) or land) or (bond or bonds)) or (((band or grank) or (gband or gbank)) or (guard or ((haro or (gharo OR gharm)) or (hari or (heart or (heat or head))))))) counterinsurgency study ;*.