Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandk » gbrandk, ggrandk, ghandk, grand, grande, graindk, granddk, irandk
grandt » gbrandt, ggrandt, ghandt, graindt, granddt, irandt, grand, grande, brandt
ranks » banks
band » bond
graint » geraint, grain, grains
graints » geraints, grains, grainss, grants, gradients
geraints » geraint, grains, gerais
granted » grainted, grandted, iranted, grantsed
gran » grain, grand, iran
grant » graint, grandt, irant, grants
graind » grained, grain, grains

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 ((rank or frank) or ranks)) or san) or ((band or bank) or land)) or (((granted or graint) or ((graints OR geraints) or (graints OR geraints))) or ((gfrank or grandk) or ((gran or (grant or grandt)) or graind)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR ((rank OR frank) OR ranks)) OR san) OR ((band OR bank) OR land)) OR (((granted OR graint) OR ((graints OR geraints) OR (graints OR geraints))) OR ((gfrank OR grandk) OR ((gran OR (grant OR grandt)) OR graind)))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or ((rank or frank) or ranks)) or san) or ((band or bank) or land)) or (((granted or graint) or ((graints OR geraints) or (graints OR geraints))) or ((gfrank or grandk) or ((gran or (grant or grandt)) or graind)))) counterinsurgency study ;*".