I took a look at SEMRush and it covers the countries below. I do not see Sudan. Maybe Google Trends has Sudan. If not, I think you will need to do your keyword research for a larger country and assume users would have similar search behavior in your country
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Afghanistan – AF
Albania – AL
Algeria – DZ
Angola – AO
Argentina – AR
Armenia – AM
Australia – AU
Austria – AT
Azerbaijan – AZ
Bahamas – BS
Bahrain – BH
Bangladesh – BD
Belarus – BY
Belgium – BE
Belize – BZ
Bolivia – BO
Bosnia and Herzegovina – BA
Botswana – BW
Brazil – BR
Brunei – BN
Bulgaria – BG
Cabo Verde – CV
Cambodia – KH
Cameroon – CM
Canada – CA
Chile – CL
Colombia – CO
Congo – CG
Costa Rica – CR
Croatia – HR
Cyprus – CY
Czech Republic – CZ
Denmark – DK
Dominican Republic – DO
Ecuador – EC
Egypt – EG
El Salvador – SV
Estonia – EE
Ethiopia – ET
Finland – FI
France – FR
Georgia – GE
Germany – DE
Ghana – GH
Greece – GR
Guatemala – GT
Guyana – GY
Haiti – HT
Honduras – HN
Hong Kong – HK
Hungary – HU
Iceland – IS
India – IN
Indonesia – ID
Ireland – IE
Israel – IL
Italy – IT
Jamaica – JM
Japan – JP
Jordan – JO
Kazakhstan – KZ
Kuwait – KW
Latvia – LV
Lebanon – LB
Libya – LY
Lithuania – LT
Luxembourg – LU
Madagascar – MG
Malaysia – MY
Malta – MT
Mauritius – MU
Mexico – MX
Moldova – MD
Mongolia – MN
Montenegro – ME
Morocco – MA
Mozambique – MZ
Namibia – NA
Nepal – NP
Netherlands – NL
New Zealand – NZ
Nicaragua – NI
Nigeria – NG
Norway – NO
Oman – OM
Paraguay – PY
Peru – PE
Philippines – PH
Poland – PL
Portugal – PT
Romania – RO
Russia – RU
Saudi Arabia – SA
Senegal – SN
Serbia – RS
Singapore – SG
Sri Lanka – LK
Slovakia – SK
Slovenia – SI
South Africa – ZA
South Korea – KR
Spain – ES
Sweden – SE
Thailand – TH
Trinidad and Tobago – TT
Tunisia – TN
Turkey – TR
Ukraine – UA
United Arab Emirates – AE
United Kingdom – UK
United States – US
Uruguay – UY
Venezuela – VE
Vietnam – VN
Zambia – ZM
Zimbabwe – ZW