Perhaps you should try some spelling variations:
sharing mining » sharing during, sharing learning
mining wong » mining work, mining using
au costa » can costa, _ costa, da costa
hua cost » a cost, run cost
wong sau » wong sam, wong siu, wong shiu
eu cost » der cost, end cost, eu court
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sin) or (wang yan)) ya ((hua cost) or (((eu cost) or (au costa)))) sharing mining wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (wang yan)) ya ((hua cost) OR (((eu cost) OR (au costa)))) sharing mining wong sau ;.
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (wang yan)) ya ((hua cost) or (((eu cost) or (au costa)))) sharing mining wong sau ;*.