Perhaps you should try some spelling variations:
rand » brand, grand, sand
grandt » gbrandt, ggrandt, gsandt, grand, grande, brandt, graindt, granddt, irandt
grawd » grand, graw, grad
rank » ranks, frank, bank
band » bank
bond » bonds
grant » grants, graint, grandt, irant
grains » grain
grawe » grade, grace, graw
gran » grain, grand, iran

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 grawd) OR rank) OR (hand OR hard)) OR (had OR land)) OR (band OR bond)) OR ((((((grant OR grandt) OR grains) OR irantdtd) OR grawe) OR gran) OR gradient)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand or grawd) or rank) or (hand or hard)) or (had or land)) or (band or bond)) or ((((((grant OR grandt) or grains) or irantdtd) or grawe) or gran) or gradient)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((rand or grawd) or rank) or (hand or hard)) or (had or land)) or (band or bond)) or ((((((grant OR grandt) or grains) or irantdtd) or grawe) or gran) or gradient)) counterinsurgency study ;*.