Perhaps you should try some spelling variations:
rand » brand, grand, sand
band » bond
hand » hard
gran » grain, grand, iran
grant » graint, grandt, irant, grants
graw » grow, draw, grew
isand » sand
graint » geraint, grain, grains
gray » ray
grayt » rayt, graft
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 band) or (hand or had)) or (bank or land)) or (((irankk or ((gran or (graw OR raw)) or brain)) or (isand or (graint or gray))) or ((grayt or (grant or draft)) or irani))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR band) OR (hand OR had)) OR (bank OR land)) OR (((irankk OR ((gran OR (graw OR raw)) OR brain)) OR (isand OR (graint OR gray))) OR ((grayt OR (grant OR draft)) OR irani))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or band) or (hand or had)) or (bank or land)) or (((irankk or ((gran or (graw OR raw)) or brain)) or (isand or (graint or gray))) or ((grayt or (grant or draft)) or irani))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or band) or (hand or had)) or (bank or land)) or (((irankk or ((gran or (graw OR raw)) or brain)) or (isand or (graint or gray))) or ((grayt or (grant or draft)) or irani))) counterinsurgency study ;*.