Perhaps you should try some spelling variations:
sudan debt » sudan der, sudan west
kong hong » hong hong, kong hang, kong heng
yang yao » yang yang, wang yan, yang fan
yang yi » yang xi, yang jui
3 sudan » _ sudan, im sudan, _ sudano
debt 1 » debt _, debt a, debt 2
1 kong » 11 kong, w kong
g 3 » ag 3, gg 3, gt 3
tan » than

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: ((((yang yi) OR (yang yao))) OR (yang di))g 3 sudan debt 1 kong hong tan ;~.
• Adding a wildcard symbol may retrieve word variants: ((((yang yi) or (yang yao))) or (yang di))g 3 sudan debt 1 kong hong tan ;*.