diff --git a/src/lib/Iso3166.ts b/src/lib/Iso3166.ts
index d796ec5..de36d08 100644
--- a/src/lib/Iso3166.ts
+++ b/src/lib/Iso3166.ts
@@ -11,6 +11,8 @@ export const Alpha2CodeSchema: Schema.Schema<Alpha2Code, string> = Schema.String
 
 export const guessCountry: (location: string) => Option.Option<Alpha2Code> = flow(
   String.replaceAll('.', ''),
+  String.replaceAll(/\((.+?)\)/g, ', $1'),
+  String.replaceAll(/( and | - )/gi, ', '),
   location => Array.prepend(Array.map(location.split(',').reverse(), String.trim), location),
   Array.findFirst(Option.liftNullable(location => iso3166.getAlpha2Code(location, 'en'))),
   Option.filter(isAlpha2Code),
diff --git a/test/Iso3166.test.ts b/test/Iso3166.test.ts
index 409110d..b0d8cef 100644
--- a/test/Iso3166.test.ts
+++ b/test/Iso3166.test.ts
@@ -4,7 +4,9 @@ import * as _ from '../src/lib/Iso3166.js'
 
 describe('guessCountry', () => {
   test.for([
+    ['Algiers ( Algeria)', 'DZ'],
     ['Chicago, IL, USA', 'US'],
+    ['Colorado - United States', 'US'],
     ['Czech Republic', 'CZ'],
     ['Czechia', 'CZ'],
     ['GHANA', 'GH'],
@@ -22,10 +24,8 @@ describe('guessCountry', () => {
   })
 
   test.for([
-    'Algiers ( Algeria)',
     'Baylor College of Medicine, Houston, Texas',
     'Beijing University of Technology, Beijing 100124, PR China',
-    'Colorado - United States',
     'Fayetteville GA (near Atlanta)',
     'London',
     'London, Ontario',