Perhaps you should try some spelling variations:
wang managing » ag managing, change managing, making managing
managing land » managing demand, managing labor, managing large
kang minh » kang minah, anh minh, kan min
sang minh » kang minah, anh minh, song min
law jin » law john, law jane
cong » congo, long, hong

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang managing land law jin ((kang minh) OR (sang minh)) cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang managing land law jin ((kang minh) OR (sang minh)) cong shu ;*.