Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand
band » bank, bond
grawd » grad, rawd, drawd, grewd
graw » raw, draw, grew
grawe » rawe, drawe, grewe, grade, grace, grave
grant » grants
granttd » grantstd, granted
grain » rain
grains » rains

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 bonds)) or ((((((grawd or (graw or grow)) or (grand OR grant)) or granttd) or grawe) or (grain or (brain or main))) 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 bonds)) OR ((((((grawd OR (graw OR grow)) OR (grand OR grant)) OR granttd) OR grawe) OR (grain OR (brain OR main))) 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 bonds)) or ((((((grawd or (graw or grow)) or (grand OR grant)) or granttd) or grawe) or (grain or (brain or main))) or grains)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or bonds)) or ((((((grawd or (graw or grow)) or (grand OR grant)) or granttd) or grawe) or (grain or (brain or main))) or grains)) counterinsurgency study ;*.