Perhaps you should try some spelling variations:
rand » brand, grand, sand
grandtd » gbrandtd, ggrandtd, gsandtd, granddtd, irandtd, grawdtd
hand » hard
band » bank, bond
grayd » grand, gray, grad
grant » grants, grandt, irant, grawt
grantd » grantsd, granted, grants, grand, grandtd, irantd, grawtd
grawe » grade, grace, graw
gran » grand, iran, graw
braint » brain, brains, brant, bsaint, brainy, bbraint, bmaint, bgaint
raint » saint, rainy, rains, braint, maint, gaint
grain » brain, gbrain, gmain, ggain
rain » brain, main, 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 hand) or (had or land)) or (band or bonds)) or ((((((grayd or grant) or grantd) or grandtd) or grawe) or (gran or grow)) or ((braint or raint) or (grain OR rain)))) 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 ((((((grayd OR grant) OR grantd) OR grandtd) OR grawe) OR (gran OR grow)) OR ((braint OR raint) OR (grain OR rain)))) 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 ((((((grayd or grant) or grantd) or grandtd) or grawe) or (gran or grow)) or ((braint or raint) or (grain OR rain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bonds)) or ((((((grayd or grant) or grantd) or grandtd) or grawe) or (gran or grow)) or ((braint or raint) or (grain OR rain)))) counterinsurgency study ;*.