Perhaps you should try some spelling variations:
training cost » training costs, training course, training courses
zhang zhi » zhong zhi, wang zhi, zhang dai
zhang wei » zhen wei
wing tan » wing ian, liang tan, hong tan
dong di » dong sin
la bank » a bank, blc bank, can bank
wang » wan, 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 yan) or (wing tan))) or (dong di)) a la bank training cost ((zhang zhi) OR (zhang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yan) OR (wing tan))) OR (dong di)) a la bank training cost ((zhang zhi) OR (zhang wei)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang yan) or (wing tan))) or (dong di)) a la bank training cost ((zhang zhi) OR (zhang wei)) ;*".