Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, brand, irand, grawd, grayd
rank » frank, bank
ranks » franks, banks
hand » hard
band » bank
bond » bonds
grant » grants, irant, grawt, grayt
grantdtd » grantsdtd, granted, irantdtd, grawtdtd, graytdtd
grain » brain, rain
graint » braint, raint, geraint, grains, gradient
grawe » grade, grace, graw
gran » iran, graw, gray

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 grand) OR (rank OR ranks)) OR hand) OR (had OR land)) OR (band OR bond)) OR (((((grant OR grain) OR grantdtd) OR grawe) OR gran) OR graint)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand or grand) or (rank OR ranks)) or hand) or (had or land)) or (band or bond)) or (((((grant or grain) or grantdtd) or grawe) or gran) or graint)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((rand or grand) or (rank OR ranks)) or hand) or (had or land)) or (band or bond)) or (((((grant or grain) or grantdtd) or grawe) or gran) or graint)) counterinsurgency study ;*.