Perhaps you should try some spelling variations:
rand » brand, hand, rank
grand » gbrand, ghand, grank, grant, brand
sand » stand, san, hand
band » bank
gband » gbank
ghard » hard, guard
gharo » ghard, ghart, ghari
haro » hard, hart, hari
hpart » part, heart, hart, hppart
apart » part, appart
art » part
harm » farm, hard

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 land) OR (bond OR bonds)) OR ((grand OR gband) OR ((gharo OR ghard) OR ((haro OR ((hpart OR apart) OR art)) OR (harm OR (apart OR case)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or sand) or band) or land) or (bond OR bonds)) or ((grand or gband) or ((gharo or ghard) or ((haro or ((hpart or apart) or art)) or (harm or (apart or case)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or band) or land) or (bond OR bonds)) or ((grand or gband) or ((gharo or ghard) or ((haro or ((hpart or apart) or art)) or (harm or (apart or case)))))) counterinsurgency study ;*.