Perhaps you should try some spelling variations:
rent liang » peng liang
wang wang » wang yang, wang liang, wang yong
shawn oil » shale oil, shawn sim, than oil
zhong zhi » zhang zhi, hong ghi, zhong tai
oil rent » oil rents, oil trend, oil real
liang li » ling li, qiang li, liang wei
wong yue » wang yue, hong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) OR (wang yan)) shawn oil rent liang li ((zhong zhi) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yan)) shawn oil rent liang li ((zhong zhi) OR (wong yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yan)) shawn oil rent liang li ((zhong zhi) or (wong yue)) ;".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) OR (wang yan)) shawn oil rent liang li ((zhong zhi) or (wong yue)) ;*.