Perhaps you should try some spelling variations:
irand » brand, iran, grand
grants » migrants, graints, grandts, irants
grains » grain
sand » stand, san
band » bank, bond
frans » trans, fran
grandtd » graindtd, granddtd, irandtd
gran » grain, grand, iran
grant » graint, grandt, irant
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: ((((((((hand or hard) or (((irand or (grandtd or grants)) or grains) or irand)) or had) or frank) or sand) or land) or band) or ((frans OR franz) or ((gran or grant) or irani))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((((hand OR hard) OR (((irand OR (grandtd OR grants)) OR grains) OR irand)) OR had) OR frank) OR sand) OR land) OR band) OR ((frans OR franz) OR ((gran OR grant) OR irani))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((hand or hard) or (((irand or (grandtd or grants)) or grains) or irand)) or had) or frank) or sand) or land) or band) or ((frans OR franz) or ((gran or grant) or irani))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((((hand or hard) or (((irand or (grandtd or grants)) or grains) or irand)) or had) or frank) or sand) or land) or band) or ((frans OR franz) or ((gran or grant) or irani))) counterinsurgency study ;*.