Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand
band » bank
bond » bonds
grawd » grad, grawe, growd, rawd, drawd
grantdtd » granted
graw » grow, raw, draw
grain » gmain, ggain, grail
rain » main, gain, rail
brain » bmain, bgain, brail
graint » gmaint, ggaint, grailt, geraint, grant, gradient
grains » gmains, ggains, grails
ggains » gains

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 hard) or (had or land)) or (band or bond)) or ((((grawd or (ghandtd or grantdtd)) or graw) or (grand or (grain or (rain or brain)))) or (graint or (grains OR ggains)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (band OR bond)) OR ((((grawd OR (ghandtd OR grantdtd)) OR graw) OR (grand OR (grain OR (rain OR brain)))) OR (graint OR (grains OR ggains)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (band or bond)) or ((((grawd or (ghandtd or grantdtd)) or graw) or (grand or (grain or (rain or brain)))) or (graint or (grains OR ggains)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or bond)) or ((((grawd or (ghandtd or grantdtd)) or graw) or (grand or (grain or (rain or brain)))) or (graint or (grains OR ggains)))) counterinsurgency study ;*.