Perhaps you should try some spelling variations:
rand » brand, grand, rank
banks » bank
band » bank, bond
grawd » grand, graw, grad
gran » grain, grand, iran
grant » graint, grandt, irant, grants
sand » san
graint » geraint, grain, grains
gad » grad
chad » cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((rand or hand) or banks) or band) or (((((grawd or ((gran or gfranks) or gfranks)) or (sand OR stand)) or (grant or graint)) or land) or (((gad or chad) or had) or hard))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR banks) OR band) OR (((((grawd OR ((gran OR gfranks) OR gfranks)) OR (sand OR stand)) OR (grant OR graint)) OR land) OR (((gad OR chad) OR had) OR hard))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hand) or banks) or band) or (((((grawd or ((gran or gfranks) or gfranks)) or (sand OR stand)) or (grant or graint)) or land) or (((gad or chad) or had) or hard))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or banks) or band) or (((((grawd or ((gran or gfranks) or gfranks)) or (sand OR stand)) or (grant or graint)) or land) or (((gad or chad) or had) or hard))) counterinsurgency study ;*.