Perhaps you should try some spelling variations:
rand » brand, hand
grand » gbrand, ghand, brand
rank » ranks, frank
grank » granks, gfrank, frank, gran
gfrank » gfranks, gffrank, frank
band » bond
sand » stand, san, hand
grant » grants
ghad » ghada, gad, shad
grad » grade, grid, graw
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 rank) or bank) or band) or (((((grand or ((grank or gfrank) or gfrank)) or sand) or grant) or land) or ((((ghad OR grad) or chad) or had) or hard))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR rank) OR bank) OR band) OR (((((grand OR ((grank OR gfrank) OR gfrank)) OR sand) OR grant) OR land) OR ((((ghad OR grad) OR chad) OR had) OR hard))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or rank) or bank) or band) or (((((grand or ((grank or gfrank) or gfrank)) or sand) or grant) or land) or ((((ghad OR grad) or chad) or had) or hard))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or rank) or bank) or band) or (((((grand or ((grank or gfrank) or gfrank)) or sand) or grant) or land) or ((((ghad OR grad) or chad) or had) or hard))) counterinsurgency study ;*.