Perhaps you should try some spelling variations:
rand » brand, grand, band
irand » ibrand, igrand, iband, brand, iran, grand
granddt » gbranddt, ggranddt, gbanddt, grainddt, grandddt, iranddt
graink » grain, grains
gran » grain, grand, iran
grant » graint, grandt, irant, grants
irani » iran, iraqi, iravi, irank, iani
rani » ravi, rank, ani
isand » istand, iband, isan
sand » stand, band, san
graind » grained, grain, grains
graint » geraint, grain, grains
brant » brandt, brand, brunt

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 (bank or land)) or (((graink or (gran OR grant)) or ((((irani or rani) or (isand or sand)) or irand) or graind)) or ((graint or granddt) or brant))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR (hard OR had)) OR (bank OR land)) OR (((graink OR (gran OR grant)) OR ((((irani OR rani) OR (isand OR sand)) OR irand) OR graind)) OR ((graint OR granddt) OR brant))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or (hard or had)) or (bank or land)) or (((graink or (gran OR grant)) or ((((irani or rani) or (isand or sand)) or irand) or graind)) or ((graint or granddt) or brant))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or (hard or had)) or (bank or land)) or (((graink or (gran OR grant)) or ((((irani or rani) or (isand or sand)) or irand) or graind)) or ((graint or granddt) or brant))) counterinsurgency study ;*.