Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, brand
rank » ranks, frank, bank
hand » had, hard
band » bank, bond
gsand » sand
gbond » bond, gbon
gharo » ghard, gharm, ghart
haro » hard, harm, hart
grants » migrants

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 rank) OR (hand OR band)) OR (gsand OR (gbond OR grand))) OR land) OR ((gharo OR haro) OR (grant OR grants))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or rank) or (hand or band)) or (gsand or (gbond or grand))) or land) or ((gharo or haro) or (grant OR grants))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or rank) or (hand or band)) or (gsand or (gbond or grand))) or land) or ((gharo or haro) or (grant OR grants))) counterinsurgency study ;*.