Perhaps you should try some spelling variations:
sand » stand
band » bank
hand » hard
race » face, rice, pace
rate » rates
grandt » grande, brandt, graindt, grawdt, graydt
gain » gains, main
grawd » graw, grad, grawe
bond » bonds
irans » frans, irani, iraqs
migrants » migraints, migrawts, migrayts, migrantss
gran » grain, graw, gray
grant » graint, grawt, grayt, grants
grand » graind, grawd, grayd, brand

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 band) or hand) or (race or rate)) or ((((migrants or migraindts) or grandt) or gain) or (grawd or iron))) or had) or frank) or san) or land) or bond) or ((irans or trans) or (((gran or grant) or grand) or iran))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((((((sand OR band) OR hand) OR (race OR rate)) OR ((((migrants OR migraindts) OR grandt) OR gain) OR (grawd OR iron))) OR had) OR frank) OR san) OR land) OR bond) OR ((irans OR trans) OR (((gran OR grant) OR grand) OR iran))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((((sand OR band) or hand) or (race or rate)) or ((((migrants or migraindts) or grandt) or gain) or (grawd or iron))) or had) or frank) or san) or land) or bond) or ((irans or trans) or (((gran or grant) or grand) or iran))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((((((sand OR band) or hand) or (race or rate)) or ((((migrants or migraindts) or grandt) or gain) or (grawd or iron))) or had) or frank) or san) or land) or bond) or ((irans or trans) or (((gran or grant) or grand) or iran))) counterinsurgency study ;*.