Perhaps you should try some spelling variations:
ranks » banks
bond » bonds
grant » grants, graint, grandt, irant
grantdtd » grantsdtd, graintdtd, grandtdtd, irantdtd
granted » grantsed, grainted, grandted, iranted
grawt » graw, graft, grawe
race » rate, face, rice
gran » grain, grand, iran
brain » bmain, bgain, brail
rainy » mainy, gainy, raily
rain » main, gain, rail

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((hard or ranks) or band) or (had or land)) or (bank or bond)) or ((((((grant or grawt) or brain) or (grantdtd or granted)) or race) or gran) or (saint or (rainy OR rain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((hard OR ranks) OR band) OR (had OR land)) OR (bank OR bond)) OR ((((((grant OR grawt) OR brain) OR (grantdtd OR granted)) OR race) OR gran) OR (saint OR (rainy OR rain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((hard or ranks) or band) or (had or land)) or (bank or bond)) or ((((((grant or grawt) or brain) or (grantdtd or granted)) or race) or gran) or (saint or (rainy OR rain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((hard or ranks) or band) or (had or land)) or (bank or bond)) or ((((((grant or grawt) or brain) or (grantdtd or granted)) or race) or gran) or (saint or (rainy OR rain)))) counterinsurgency study ;*.