| Boolean
Operators |
|
|
|
|
|
|
|
|
| n | An
alternative: |
||||||
| �boundary
dispute� AND Canada AND (US OR |
|||||||
| �U.S.�
OR �United States�) |
|||||||
| n | Another
possibility: |
||||||
| �boundary
dispute� AND (Canad* NEAR (US OR |
|||||||
| �U.S.�
OR �United States�)) |
|||||||
