Perhaps you should try some spelling variations:
seeking mining » seeking meaning, making mining, seeking minors
rents seeking » rent seeking, heat seeking
mining costs » firing costs, living costs, rising costs
hua rents » hua ren
costs shu » costs ch
dong bin » dong di, dann bin
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong bin) OR (dong sin)) ya hua rents seeking mining costs shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong bin) OR (dong sin)) ya hua rents seeking mining costs shu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong bin) OR (dong sin)) ya hua rents seeking mining costs shu ;*.