Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, brand, graind, irand, grawd
grandtd » gbrandtd, gbandtd, ghandtd, brandtd, graindtd, irandtd, grawdtd
bond » bonds
draw » draws, raw
grace » grade, race
gran » grain, iran, graw
grant » graint, irant, grawt, grants
rain » brain, main, gain
graint » gbraint, gmaint, ggaint, geraint, grain, grains

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR grand) OR hard) OR (had OR land)) OR (bank OR bond)) OR ((((draw OR (grandtd OR gbandtd)) OR grace) OR ((gran OR grant) OR rain)) OR graint)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand OR grand) or hard) or (had or land)) or (bank or bond)) or ((((draw or (grandtd or gbandtd)) or grace) or ((gran or grant) or rain)) or graint)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand OR grand) or hard) or (had or land)) or (bank or bond)) or ((((draw or (grandtd or gbandtd)) or grace) or ((gran or grant) or rain)) or graint)) counterinsurgency study ;*.