Perhaps you should try some spelling variations:
sand » stand, band, san
hand » band, hard
grainy » rainy, brainy, gbrainy, gmainy, ggainy
grains » brains, gbrains, gmains, ggains
grain » brain, gbrain, gmain, ggain
race » rate, face, rice
grand » grant, brand
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: ((((sand or hand) or (had or land)) or (bank or bonds)) or (((((((grainy OR grains) or grain) or granted) or granktd) or race) or (grand or grow)) or ((bmaint or saint) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((sand OR hand) OR (had OR land)) OR (bank OR bonds)) OR (((((((grainy OR grains) OR grain) OR granted) OR granktd) OR race) OR (grand OR grow)) OR ((bmaint OR saint) OR rain))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((sand or hand) or (had or land)) or (bank or bonds)) or (((((((grainy OR grains) or grain) or granted) or granktd) or race) or (grand or grow)) or ((bmaint or saint) or rain))) counterinsurgency study ;*".