Perhaps you should try some spelling variations:
rand » brand, grand, sand
trand » tbrand, tgrand, tsand, strand, trend, brand
band » bank
bond » bonds
grayd » grand, grad, rayd
grains » grain
graw » grow, raw, draw
gran » grain, grand, iran
grant » graint, grandt, irant, grants
gray » ray

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 hard)) OR (had OR land)) OR (band OR bond)) OR ((((((trand OR grayd) OR grains) OR irantdtd) OR graw) 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 hard)) or (had or land)) or (band or bond)) or ((((((trand or grayd) or grains) or irantdtd) or graw) or ((gran or gray) or grant)) or gradient)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (hand OR hard)) or (had or land)) or (band or bond)) or ((((((trand or grayd) or grains) or irantdtd) or graw) or ((gran or gray) or grant)) or gradient)) counterinsurgency study ;*.