Perhaps you should try some spelling variations:
post training » first training
post mining » pit mining
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
back bone » block bone, back home, back code
yang jie » yang jin, yang di, yang jui
bone sar » borne sar, kong sar, bone a

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang yang jie ((post training) OR (post mining)) back bone sar ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang jie ((post training) OR (post mining)) back bone sar ;*".