Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand
rank » ranks, frank, bank
band » bank
grants » migrants
grantdtd » granted
grains » brains, rains
grain » brain, rain
graw » grow, raw, draw

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 rank) or hard) or (had or land)) or (band or (bond OR bonds))) or (((((grants or grains) or grantdtd) or draws) or (grain or graw)) or gradient)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((rand OR grand) OR rank) OR hard) OR (had OR land)) OR (band OR (bond OR bonds))) OR (((((grants OR grains) OR grantdtd) OR draws) OR (grain OR graw)) OR gradient)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand or grand) or rank) or hard) or (had or land)) or (band or (bond OR bonds))) or (((((grants or grains) or grantdtd) or draws) or (grain or graw)) or gradient)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((rand or grand) or rank) or hard) or (had or land)) or (band or (bond OR bonds))) or (((((grants or grains) or grantdtd) or draws) or (grain or graw)) or gradient)) counterinsurgency study ;*.