Perhaps you should try some spelling variations:
sand » stand, san, hand
bond » bonds
grant » grants
migrants » migrantss
migrantss » migrantsss, migrant, emigrants, migrates
migrantes » migrantses, migrates, migrant, migrate
migrantses » migrantsses, migrates
grand » brand

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 ((band or bond) or bank)) or ((grant or (migrants or (migrantss or (migrantes OR migrantses)))) or (grand or land))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((sand OR ((band OR bond) OR bank)) OR ((grant OR (migrants OR (migrantss OR (migrantes OR migrantses)))) OR (grand OR land))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((sand or ((band or bond) or bank)) or ((grant or (migrants or (migrantss or (migrantes OR migrantses)))) or (grand or land))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((sand or ((band or bond) or bank)) or ((grant or (migrants or (migrantss or (migrantes OR migrantses)))) or (grand or land))) counterinsurgency study ;*.