Perhaps you should try some spelling variations:
sand » stand, band, hand
race » rate, rice, pace
grawd » grand, graw, grad
bond » bonds
migrants » migraints, migrandts, migrawts, migrantss
grantdt » graintdt, grandtdt, grawtdt, grantsdt
gran » grain, grand, graw
grant » graint, grandt, grawt, grants

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 (race or face)) or ((((migrants or migraindts) or grantdt) or main) or (grawd or iron))) or had) or frank) or san) or land) or bond) or (trans or (((gran OR grant) or brain) or iran))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((((sand OR (race OR face)) OR ((((migrants OR migraindts) OR grantdt) OR main) OR (grawd OR iron))) OR had) OR frank) OR san) OR land) OR bond) OR (trans OR (((gran OR grant) OR brain) OR iran))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((sand or (race or face)) or ((((migrants or migraindts) or grantdt) or main) or (grawd or iron))) or had) or frank) or san) or land) or bond) or (trans or (((gran OR grant) or brain) or iran))) counterinsurgency study ;*".