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 hand) OR ((gland OR land) OR (((((gstand OR rstand) OR (gstand OR rstand)) OR sand) OR (gband OR (bond OR bank))) OR (chad OR ohada)))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((rand or hand) or ((gland or land) or (((((gstand OR rstand) or (gstand OR rstand)) or sand) or (gband or (bond or bank))) or (chad or ohada)))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((rand or hand) or ((gland or land) or (((((gstand OR rstand) or (gstand OR rstand)) or sand) or (gband or (bond or bank))) or (chad or ohada)))) counterinsurgency study ;*.