Perhaps you should try some spelling variations:
sand » stand
irand » brand, rand, irani
iranddt » branddt, randdt, iranidt
irandt » brandt, randt, iranit
iraqi » iraq
grain » brain, rain
grand » grant, brand
hand » hard
band » bank
gray » ray, graw

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((((sand or irand) or (((iraqi or (iranddt or irandt)) or grain) or (grand or iron))) or ((hand OR had) or band)) or frank) or san) or land) or (bond or bonds)) or (iran or (gray or iraqi))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((((sand OR irand) OR (((iraqi OR (iranddt OR irandt)) OR grain) OR (grand OR iron))) OR ((hand OR had) OR band)) OR frank) OR san) OR land) OR (bond OR bonds)) OR (iran OR (gray OR iraqi))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((sand or irand) or (((iraqi or (iranddt or irandt)) or grain) or (grand or iron))) or ((hand OR had) or band)) or frank) or san) or land) or (bond or bonds)) or (iran or (gray or iraqi))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((((sand or irand) or (((iraqi or (iranddt or irandt)) or grain) or (grand or iron))) or ((hand OR had) or band)) or frank) or san) or land) or (bond or bonds)) or (iran or (gray or iraqi))) counterinsurgency study ;*.