Perhaps you should try some spelling variations:
rand » brand, grand, sand
grandtd » gbrandtd, ggrandtd, gsandtd
gsand » sand, grand
rawe » grawe, rate, raw
grank » grant, grand, rank
graw » grow, raw, draw
brains » grains, trains, drains, bgains, brails
rain » gain, rail
brain » bgain, brail

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 (band or bond)) or hard) or (had or land)) or (bank or bonds)) or (((((gsand or ggaind) or grandtd) or rawe) or ((grank OR frank) or graw)) or ((brains or bmaint) or ((rain or brain) or main)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((rand OR hand) OR (band OR bond)) OR hard) OR (had OR land)) OR (bank OR bonds)) OR (((((gsand OR ggaind) OR grandtd) OR rawe) OR ((grank OR frank) OR graw)) OR ((brains OR bmaint) OR ((rain OR brain) OR main)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand or hand) or (band or bond)) or hard) or (had or land)) or (bank or bonds)) or (((((gsand or ggaind) or grandtd) or rawe) or ((grank OR frank) or graw)) or ((brains or bmaint) or ((rain or brain) or main)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((rand or hand) or (band or bond)) or hard) or (had or land)) or (bank or bonds)) or (((((gsand or ggaind) or grandtd) or rawe) or ((grank OR frank) or graw)) or ((brains or bmaint) or ((rain or brain) or main)))) counterinsurgency study ;*.