Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand
rank » ranks, frank
grank » granks, gfrank, frank, gran
gfrank » gfranks, gffrank, frank
gfranks » gfrankss, gffranks, franks
grans » grants, trans, grass
grains » grain
grant » grants

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 rank) or (band or land)) or (bank or (bond or bonds))) or ((grand or ((grank OR gfrank) or ((gfranks or banks) or (grans or grains)))) or grant)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR rank) OR (band OR land)) OR (bank OR (bond OR bonds))) OR ((grand OR ((grank OR gfrank) OR ((gfranks OR banks) OR (grans OR grains)))) OR grant)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or rank) or (band or land)) or (bank or (bond or bonds))) or ((grand or ((grank OR gfrank) or ((gfranks or banks) or (grans or grains)))) or grant)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or rank) or (band or land)) or (bank or (bond or bonds))) or ((grand or ((grank OR gfrank) or ((gfranks or banks) or (grans or grains)))) or grant)) counterinsurgency study ;*.