Perhaps you should try some spelling variations:
training costs » trading costs, training courses, training course
costs among » costs along, customs among
dong bin » dong sin, dong di
among ng » among hong, among new, among _
la bank » a bank, blc bank, can bank
y la » a la, _ la
wang » wing, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((wang or wan) yan) or (((dann bin) or (dong bin)))) y la bank training costs among ng ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR wan) yan) OR (((dann bin) OR (dong bin)))) y la bank training costs among ng ;.
• Adding a wildcard symbol may retrieve word variants: (((wang or wan) yan) or (((dann bin) or (dong bin)))) y la bank training costs among ng ;*.