Perhaps you should try some spelling variations:
sand » stand, hand
bond » bonds
grantsed » granted, grants, grafted, graintsed, irantsed, grawtsed, grantssed
grade » trade
emigrant » emigrants, migrant, immigrant, emigraint, emiirant, emigrawt
grandtk » graindtk, irandtk, grawdtk, brandtk
grande » grainde, irande, grawde, brande
gran » grain, iran, graw
grant » graint, irant, grawt, grants
grand » graind, irand, grawd, brand
grawd » graw, grad, grawe
irant » iran, irani, brant

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 san) or frank) or (band or bond)) or land) or ((((grandtk or grantsed) or ((grande or grade) or emigrant)) or (((gran OR grant) or (grand or grawd)) or irant)) or (gband or bank))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((sand OR san) OR frank) OR (band OR bond)) OR land) OR ((((grandtk OR grantsed) OR ((grande OR grade) OR emigrant)) OR (((gran OR grant) OR (grand OR grawd)) OR irant)) OR (gband OR bank))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((sand or san) or frank) or (band or bond)) or land) or ((((grandtk or grantsed) or ((grande or grade) or emigrant)) or (((gran OR grant) or (grand or grawd)) or irant)) or (gband or bank))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((sand or san) or frank) or (band or bond)) or land) or ((((grandtk or grantsed) or ((grande or grade) or emigrant)) or (((gran OR grant) or (grand or grawd)) or irant)) or (gband or bank))) counterinsurgency study ;*.