Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, brand, graind, irand, grayd
rank » ranks, frank, bank
grankstd » granksstd, gfrankstd, gbankstd, grainkstd, irankstd, graykstd
band » bank, bond
grayd » gray, grad
grant » grants, graint, irant, grayt
grawd » grad, grawe, growd, drawd, grewd
graw » grow, draw, grew
gran » grain, iran, gray
graint » geraint, 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 (hand OR hard)) or (had or land)) or (band or bonds)) or ((((((grand or grayd) or grant) or grankstd) or ((grawd or raw) or graw)) or gran) or graint)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR rank) OR (hand OR hard)) OR (had OR land)) OR (band OR bonds)) OR ((((((grand OR grayd) OR grant) OR grankstd) OR ((grawd OR raw) OR graw)) OR gran) OR graint)) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or rank) or (hand OR hard)) or (had or land)) or (band or bonds)) or ((((((grand or grayd) or grant) or grankstd) or ((grawd or raw) or graw)) or gran) or graint)) counterinsurgency study ;*".