Perhaps you should try some spelling variations:
training cost » training costs, training course, training courses
zhang yan » zhang fan, zhang jian, wang yan
cost hong » cost housing
dong di » dong sin
yet a » et a, yet _, get a
ye a » e a, y a, de a
me a » m a, me _, e a
kong » long, pong, ong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((zhang yan) or (dong di)) ((((ye a) OR (yet a))) or (me a)) bank training cost hong kong ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((zhang yan) OR (dong di)) ((((ye a) OR (yet a))) OR (me a)) bank training cost hong kong ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((zhang yan) or (dong di)) ((((ye a) OR (yet a))) or (me a)) bank training cost hong kong ;".
• Adding a wildcard symbol may retrieve word variants: ((zhang yan) or (dong di)) ((((ye a) OR (yet a))) or (me a)) bank training cost hong kong ;*.