Perhaps you should try some spelling variations:
proliferation micropropagation » regeneration micropropagation, prolific micropropagation, production micropropagation
micropropagation case » micropropagation _
case dimension » based dimension, fast dimension, scale dimensions
methods blind » method blind, methods linda, methods beyond
methods line » methods linear, methods linda, methods links

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

• Performing a fuzzy search may retrieve terms with similar spellings: proliferation micropropagation case dimension ((methods line) or (methods blind))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: proliferation micropropagation case dimension ((methods line) OR (methods blind)).
• Adding a wildcard symbol may retrieve word variants: proliferation micropropagation case dimension ((methods line) or (methods blind))*.