Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand, graind, irand, grawd
bond » bonds
ghand » hand, ghana, ghani
grawe » grade, grace, graw
gran » grain, iran, graw
grant » graint, irant, grawt, grants
gain » main
gains » mains
rain » brain, main, rail
grains » gbrains, gmains, grails, 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 bank) or bond)) or (((((grand OR ghand) or gsandtd) or grawe) or ((gran or grant) or ((gain or gains) 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 bank) OR bond)) OR (((((grand OR ghand) OR gsandtd) OR grawe) OR ((gran OR grant) OR ((gain OR gains) 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 bank) or bond)) or (((((grand OR ghand) or gsandtd) or grawe) or ((gran or grant) or ((gain or gains) or rain))) or grains)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or ((band or bank) or bond)) or (((((grand OR ghand) or gsandtd) or grawe) or ((gran or grant) or ((gain or gains) or rain))) or grains)) counterinsurgency study ;*.