Perhaps you should try some spelling variations:
rand » brand, grand, sand
rank » ranks, frank, bank
hand » hard
band » bank, bond
gsand » sand, grand
granttd » granted, grantttd, grandttd, iranttd
grade » trade
gran » grant, grand, iran
graint » geraint, grant, grains, braint, gbraint, gmaint, ggaint
rains » grains, trains, drains, brains, mains, gains
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain

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 (had or land)) or (band or bonds)) or ((((gsand or (granttd or iranttd)) or grade) or gran) or (((graint or rains) or saint) or (grain OR rain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR rank) OR hand) OR (had OR land)) OR (band OR bonds)) OR ((((gsand OR (granttd OR iranttd)) OR grade) OR gran) OR (((graint OR rains) OR saint) OR (grain OR rain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or rank) or hand) or (had or land)) or (band or bonds)) or ((((gsand or (granttd or iranttd)) or grade) or gran) or (((graint or rains) or saint) or (grain OR rain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or rank) or hand) or (had or land)) or (band or bonds)) or ((((gsand or (granttd or iranttd)) or grade) or gran) or (((graint or rains) or saint) or (grain OR rain)))) counterinsurgency study ;*.