Perhaps you should try some spelling variations:
rand » brand, grand, band
grandtd » gbrandtd, ggrandtd, gbandtd, grantdtd, granddtd, irandtd
hand » band
rank » ranks, frank, bank
grayd » grand, gray, grad
grawe » grade, grace, grave, growe, rawe, drawe
gran » grant, grand, iran
graw » grow, raw, draw
brains » brain, grains, trains, bbrains, bmains, bgains
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 rank) or hard) or (had or land)) or (bond or bonds)) or ((((grayd or grandtd) or grawe) or (gran or graw)) or ((brains 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 rank) OR hard) OR (had OR land)) OR (bond OR bonds)) OR ((((grayd OR grandtd) OR grawe) OR (gran OR graw)) OR ((brains 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 rank) or hard) or (had or land)) or (bond or bonds)) or ((((grayd or grandtd) or grawe) or (gran or graw)) or ((brains or raint) or (grain OR rain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((rand or hand) or rank) or hard) or (had or land)) or (bond or bonds)) or ((((grayd or grandtd) or grawe) or (gran or graw)) or ((brains or raint) or (grain OR rain)))) counterinsurgency study ;*.