Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand, grantd, irand, grawd
grandtd » gbrandtd, gsandtd, granktd, granttd, brandtd, grantdtd, irandtd, grawdtd
band » bank, bond
grawd » graw, grad
grawe » grade, grace, graw
gran » grant, iran, graw
grain » brain, gbrain, gmain, ggain
grains » brains, gbrains, gmains, ggains
rain » brain, main, gain

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