Perhaps you should try some spelling variations:
function problems » functions problems, function problem, functional problems
problems programs » problems progress, problems problems, programs program
microform https » microscopy https
microform its » microform a, microform _
operations » operating

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

• Performing a fuzzy search may retrieve terms with similar spellings: operations function problems programs ((microform https) OR (microform its))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "operations function problems programs ((microform https) OR (microform its))".
• Adding a wildcard symbol may retrieve word variants: operations function problems programs ((microform https) OR (microform its))*.