Perhaps you should try some spelling variations:
sudan debt » sudan der, sudan west
amin thong » amin hong, min hong
thong guan » cheng guan
yang jui » yang judy, yang xi, yang yi
yang yao » yang yang, wang yan, yang yi
3 sudan » _ sudan, im sudan, _ sudano
debt a » debt _
ag 3 » a 3, ai 3, ad 3

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 jui) OR (yang yao))) OR (yang di))ag 3 sudan debt a amin thong guan ;~.
• Adding a wildcard symbol may retrieve word variants: ((((yang jui) or (yang yao))) or (yang di))ag 3 sudan debt a amin thong guan ;*.