Perhaps you should try some spelling variations:
mining during » making during, training during, smoking during
mining using » meaning using, making using, limiting using
dong hoang » hong hong
wang dong » wang yong, wang hong, wang yang
song bing » song ming, song byung, dong bin
vu data » eu data, tau data

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dong hoang vu data ((mining using) OR (mining during)) song bing ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dong hoang vu data ((mining using) OR (mining during)) song bing ;".
• Adding a wildcard symbol may retrieve word variants: wang dong hoang vu data ((mining using) OR (mining during)) song bing ;*.