Perhaps you should try some spelling variations:
rand » brand, grand, sand
trand » tbrand, tgrand, tsand, strand, trend, brand
hand » hard
band » bank
bond » bonds
grad » grade, grand, grid
gradient » gradeient, grandient, gridient
grains » grain
draw » draws
gran » grain, grand, iran
grant » graint, grandt, irant, grants
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 ((((((trand OR grad) OR grains) OR irantdtd) OR (draw OR raw)) OR ((gran OR gray) OR grant)) 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 ((((((trand or grad) or grains) or irantdtd) or (draw OR raw)) or ((gran or gray) or grant)) or gradient)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bond)) or ((((((trand or grad) or grains) or irantdtd) or (draw OR raw)) or ((gran or gray) or grant)) or gradient)) counterinsurgency study ;*.