Perhaps you should try some spelling variations:
rand » brand, grand, sand
grandtd » gbrandtd, ggrandtd, gsandtd, grantdtd, graindtd, granddtd
hand » hard
grawd » grand, grad, growd, drawd, grewd
grawe » grade, grace, grave, growe, drawe, grewe
graw » grow, draw, grew
gran » grant, grain, grand
braint » brain, brains, brant, bbraint, bmaint, bgaint
rain » brain, main, gain
ggain » gain, grain
again » gain

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 (band or bank)) or hand) or (had or land)) or (bond or bonds)) or ((((grawd or grandtd) or (grawe OR graw)) or (gran or raw)) or ((braint or rain) or (ggain or again)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR (band OR bank)) OR hand) OR (had OR land)) OR (bond OR bonds)) OR ((((grawd OR grandtd) OR (grawe OR graw)) OR (gran OR raw)) OR ((braint OR rain) OR (ggain OR again)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or (band or bank)) or hand) or (had or land)) or (bond or bonds)) or ((((grawd or grandtd) or (grawe OR graw)) or (gran or raw)) or ((braint or rain) or (ggain or again)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or (band or bank)) or hand) or (had or land)) or (bond or bonds)) or ((((grawd or grandtd) or (grawe OR graw)) or (gran or raw)) or ((braint or rain) or (ggain or again)))) counterinsurgency study ;*.