Perhaps you should try some spelling variations:
rand » brand, grand, sand
hand » hard
band » bank, bond
gmains » gains, mains
grains » grain, ggains, grails
grails » trails, rails, grail
rain » gain, rail
brain » bgain, brail
granttd » granted, grantstd
grawe » grade, grace, graw
grant » grants
draw » draws, raw
bgains » gains, brains, bargains, agains, bains
bgain » gain, again, bain

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 (had or land)) or (band or bonds)) or (((((san or ((gmains or (grains or grails)) or rain)) or granttd) or grawe) or ((grant or san) or draw)) or ((bgains or (brain OR bgain)) or main))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR (had OR land)) OR (band OR bonds)) OR (((((san OR ((gmains OR (grains OR grails)) OR rain)) OR granttd) OR grawe) OR ((grant OR san) OR draw)) OR ((bgains OR (brain OR bgain)) OR main))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hand) or (had or land)) or (band or bonds)) or (((((san or ((gmains or (grains or grails)) or rain)) or granttd) or grawe) or ((grant or san) or draw)) or ((bgains or (brain OR bgain)) or main))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bonds)) or (((((san or ((gmains or (grains or grails)) or rain)) or granttd) or grawe) or ((grant or san) or draw)) or ((bgains or (brain OR bgain)) or main))) counterinsurgency study ;*.