Perhaps you should try some spelling variations:
rand » brand, grand, sand
irand » ibrand, igrand, isand, brand, iran, grand
grandk » gbrandk, ggrandk, gsandk, grand, grande, graindk, granddk, irandk
ranks » banks
irankstd » ibankstd
hand » hard
band » bank
isand » sand
grank » frank, grand, rank, graink, grandk, irank
growd » grow, grown, crowd
raad » road, read, riad
graw » grow, raw, draw
gran » grain, grand, iran
grant » graint, grandt, irant, grants
graint » grain, grains, gradient

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 ranks) or hand) or (had or land)) or ((band or bond) or bonds)) or ((((((irand or isand) or (grank or grandk)) or irankstd) or ((growd or raad) or graw)) or (gran OR grant)) or (graint or geraint))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR ranks) OR hand) OR (had OR land)) OR ((band OR bond) OR bonds)) OR ((((((irand OR isand) OR (grank OR grandk)) OR irankstd) OR ((growd OR raad) OR graw)) OR (gran OR grant)) OR (graint OR geraint))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or ranks) or hand) or (had or land)) or ((band or bond) or bonds)) or ((((((irand or isand) or (grank or grandk)) or irankstd) or ((growd or raad) or graw)) or (gran OR grant)) or (graint or geraint))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or ranks) or hand) or (had or land)) or ((band or bond) or bonds)) or ((((((irand or isand) or (grank or grandk)) or irankstd) or ((growd or raad) or graw)) or (gran OR grant)) or (graint or geraint))) counterinsurgency study ;*.