Perhaps you should try some spelling variations:
rand » brand, band, sand
grand » gbrand, gband, gsand, grant, brand
irand » ibrand, iband, isand, brand, iran, irans
hand » band, hard
grain » brain, rain
isand » sand
grad » grade, grid, graw
irani » iran, iraqi, rani

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 (hand or had)) or (bank or land)) or (((ggbandk or (grand or grain)) or ((irand OR isand) or ((irand OR isand) or grad))) or (irani or irani))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR (hand OR had)) OR (bank OR land)) OR (((ggbandk OR (grand OR grain)) OR ((irand OR isand) OR ((irand OR isand) OR grad))) OR (irani OR irani))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or (hand or had)) or (bank or land)) or (((ggbandk or (grand or grain)) or ((irand OR isand) or ((irand OR isand) or grad))) or (irani or irani))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or (hand or had)) or (bank or land)) or (((ggbandk or (grand or grain)) or ((irand OR isand) or ((irand OR isand) or grad))) or (irani or irani))) counterinsurgency study ;*.