Perhaps you should try some spelling variations:
rand » brand, grand, hand
sand » stand, san, hand
band » bank
bond » bonds
gray » ray, graw
brail » brazil, brasil, rail
grantted » granted, granite, grafted, granttted, graintted, grandtted
grawe » grade, graw
grave » gravel, grade
grace » grade, race
draw » draws, raw
gran » grant, grain, grand
brain » bmain, bgain, brail
rain » main, gain, rail

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 sand) OR hard) OR (had OR land)) OR (band OR bond)) OR ((((((gray OR irantts) OR (brain OR brail)) OR grantted) OR ((grawe OR (grave OR grace)) OR draw)) OR gran) OR rain)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or sand) or hard) or (had or land)) or (band or bond)) or ((((((gray or irantts) or (brain or brail)) or grantted) or ((grawe or (grave OR grace)) or draw)) or gran) or rain)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or hard) or (had or land)) or (band or bond)) or ((((((gray or irantts) or (brain or brail)) or grantted) or ((grawe or (grave OR grace)) or draw)) or gran) or rain)) counterinsurgency study ;*.