Perhaps you should try some spelling variations:
rand » brand, band, sand
grand » gbrand, gband, gsand, grant, brand, grantd, irand, grawd
irand » ibrand, iband, isand, brand, iran, irani
grandtd » gbrandtd, gbandtd, gsandtd, granttd, brandtd, grantdtd, irandtd, grawdtd
hand » band, hard
grade » trade
gran » grant, iran, graw
rain » brain, main, gain
grain » gbrain, gmain, ggain, brain

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 grand) or hand) or (had or land)) or (bond or bonds)) or ((((irand or (((grandtd OR gsandtd) or gbandtd) or gbandtd)) or grade) or (gran or raw)) or ((bgaint or rain) or grain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR grand) OR hand) OR (had OR land)) OR (bond OR bonds)) OR ((((irand OR (((grandtd OR gsandtd) OR gbandtd) OR gbandtd)) OR grade) OR (gran OR raw)) OR ((bgaint OR rain) OR grain))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or grand) or hand) or (had or land)) or (bond or bonds)) or ((((irand or (((grandtd OR gsandtd) or gbandtd) or gbandtd)) or grade) or (gran or raw)) or ((bgaint or rain) or grain))) counterinsurgency study ;*".