Perhaps you should try some spelling variations:
sudan debt » sudan der, sudan west
hong than » hong tan, long thanh, hong hai
yang fan » zhang fan, yang dean, yang yang
3 sudan » _ sudan, im sudan, _ sudano
bank al » bank bali, bank adb, bank act
yang y » yang yi, yang _, yang 8
bank a » bank _, bank adb
pt 3 » pt 2, pt 1

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 y) OR (yang fan))) OR (yang di))pt 3 sudan debt ((bank a) OR (bank al)) hong than ;~.
• Adding a wildcard symbol may retrieve word variants: ((((yang y) or (yang fan))) or (yang di))pt 3 sudan debt ((bank a) or (bank al)) hong than ;*.