Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand, grantd, graind, irand
grandtd » gbrandtd, ghandtd, gsandtd, granttd, brandtd, grantdtd, graindtd, irandtd
band » bank
grawd » graw, grad
grawe » grace, graw, grave
grade » trade
gran » grant, grain, iran
ggain » gain, grain
again » gain
rain » brain, main, gain
grains » gbrains, gmains, ggains, grain

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 hard) or (had or land)) or ((band OR bond) or bonds)) or (((((grawd or grand) or grandtd) or (grawe or grade)) or (gran or ((ggain or again) or rain))) or grains)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR ((band OR bond) OR bonds)) OR (((((grawd OR grand) OR grandtd) OR (grawe OR grade)) OR (gran OR ((ggain OR again) OR rain))) OR grains)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or ((band OR bond) or bonds)) or (((((grawd or grand) or grandtd) or (grawe or grade)) or (gran or ((ggain or again) or rain))) or grains)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or ((band OR bond) or bonds)) or (((((grawd or grand) or grandtd) or (grawe or grade)) or (gran or ((ggain or again) or rain))) or grains)) counterinsurgency study ;*.