Perhaps you should try some spelling variations:
ranks » banks
bond » bonds
grawt » grant, graw, grawe
graft » grant, draft, craft
rain » brain, main, gain
bbrains » bbbrains, bbmains, bbgains, brains, bargains, bahrains
grantdtd » granted, granttdtd, graintdtd, grandtdtd
race » rate, face, pace
rice » rise, rich
price » prise, prich
gran » grant, grain, grand
gmain » main, gain, grain

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 ((((((grawt OR graft) or rain) or (grantdtd or irantdtd)) or (race or (rice or price))) or gran) or (gmain or bbrains))) 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 ((((((grawt OR graft) OR rain) OR (grantdtd OR irantdtd)) OR (race OR (rice OR price))) OR gran) OR (gmain OR bbrains))) 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 ((((((grawt OR graft) or rain) or (grantdtd or irantdtd)) or (race or (rice or price))) or gran) or (gmain or bbrains))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((hard or ranks) or band) or (had or land)) or (bank or bond)) or ((((((grawt OR graft) or rain) or (grantdtd or irantdtd)) or (race or (rice or price))) or gran) or (gmain or bbrains))) counterinsurgency study ;*.