Perhaps you should try some spelling variations:
rand » brand, grand, sand
grandes » gbrandes, ggrandes, gsandes, grades, grande, graindes, granddes, irandes
hand » hard
graind » grained, grain, grains, gmaind, ggaind, graild
grant » grants, graint, grandt, irant
rain » main, gain, rail
brain » bmain, bgain, brail
rank » ranks, frank, bank
band » bank, bond
gran » grain, grand, iran
brant » brandt, brand, brunt

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 ((graind OR grant) OR (grandes OR graydts))) OR (rain OR brain)) OR hand)) OR had) OR rank) OR stand) OR land) OR band) OR (trans OR (gran OR brant))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or (((hand or ((graind or grant) or (grandes or graydts))) or (rain OR brain)) or hand)) or had) or rank) or stand) or land) or band) or (trans or (gran or brant))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or (((hand or ((graind or grant) or (grandes or graydts))) or (rain OR brain)) or hand)) or had) or rank) or stand) or land) or band) or (trans or (gran or brant))) counterinsurgency study ;*.