Perhaps you should try some spelling variations:
yanling malawi » banking malawi
human economic » sudan economic, asian economic, asean economic
urban economic » urban economics, urban economies, urban economy
making shang » making change, making song, making changes
data making » data taking, data mapping, data imaging
shang kai » shang hai
wang » wing, wan, lang

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 yanling malawi ((human economic) OR (urban economic)) data making shang kai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yanling malawi ((human economic) OR (urban economic)) data making shang kai ;*.