Perhaps you should try some spelling variations:
mining planning » training planning, planning planning, meetings planning
wing planning » kong planning, land planning, housing planning
china wang » china yang, china chang, china zhang
huang jing » huang ting, huang ying, wang jing
hong than » hong tan, long thanh, hong hai
yang tin » yang jin, yang lin, yang jing

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing planning) OR (mining planning)) can china wang ((yang tin) or (huang jing)) hong than ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing planning) OR (mining planning)) can china wang ((yang tin) OR (huang jing)) hong than ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing planning) OR (mining planning)) can china wang ((yang tin) or (huang jing)) hong than ;*".