Perhaps you should try some spelling variations:
rand » brand, grand, sand
trand » tbrand, tgrand, tsand, strand, trend, brand
grandient » gbrandient, ggrandient, gsandient, grantdient, graindient, granddient, transient, gradients
hand » hard
band » bank
grad » grade, grand, grid
gradient » gradeient, grandient, gridient
grains » grain
draw » draws, raw
gran » grant, grain, grand
gray » ray, graw

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR (had OR land)) OR (band OR (bond OR bonds))) OR ((((((trand OR grad) OR grains) OR irantdtd) OR draw) OR ((gran OR gray) OR gsandt)) OR (grandient OR gradient))) 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 (bond OR bonds))) or ((((((trand or grad) or grains) or irantdtd) or draw) or ((gran or gray) or gsandt)) or (grandient or gradient))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or (bond OR bonds))) or ((((((trand or grad) or grains) or irantdtd) or draw) or ((gran or gray) or gsandt)) or (grandient or gradient))) counterinsurgency study ;*.