Perhaps you should try some spelling variations:
compositional problems » computational problems, composition problem, compositional process
programme microscopy » probe microscopy
using compositional » using composition, using computational, using conditional
problems programme » problems programs, problems program, problems programming
https » http

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

• Performing a fuzzy search may retrieve terms with similar spellings: using compositional problems programme microscopy https~.
• Adding a wildcard symbol may retrieve word variants: using compositional problems programme microscopy https*.