Perhaps you should try some spelling variations:
rank » ranks, frank
franks » frankss, ffranks, ranks, frank, frans
bond » bonds
grand » brand, graind, grawd, grayd
irand » brand, rand, irani
gran » grain, graw, gray
grant » graint, grawt, grayt, grants
grawt » graw, graft, grawe

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((had OR (rank OR franks)) OR (san OR stand)) OR ((bond OR bank) OR land)) OR ((grand OR ((irand OR iran) OR iron)) OR (brain OR (gran OR (grant OR grawt))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((had or (rank or franks)) or (san or stand)) or ((bond or bank) or land)) or ((grand or ((irand OR iran) or iron)) or (brain or (gran or (grant or grawt))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((had or (rank or franks)) or (san or stand)) or ((bond or bank) or land)) or ((grand or ((irand OR iran) or iron)) or (brain or (gran or (grant or grawt))))) counterinsurgency study ;*.