Perhaps you should try some spelling variations:
information sources » information resources, information services, information sciences
chenming dimensions » changing dimensions, parenting dimensions, emerging dimensions
sources chenming » sources mining, sources chemical
array formulas » area formulas, harrop formulas, array format
array formats » array format, assay formats, ready formats
array fermi » array forming, array format

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: "information sources chenming dimensions ((array formulas) OR (((array fermi) OR (array formats))))~".
• Adding a wildcard symbol may retrieve word variants: information sources chenming dimensions ((array formulas) OR (((array fermi) OR (array formats))))*.