Perhaps you should try some spelling variations:
vectors reprogramming » receptors reprogramming, networks reprogramming, vitro reprogramming
integration vectors » integration vector, integrative vectors, integrating vectors
reprogramming papp » programming papp, reprogramming a, reprogramming repair
microarray https » microarrays https, microarray chips, microscopy https
papp microarray » plant microarray, mpads microarray, rapid microarray

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

• Performing a fuzzy search may retrieve terms with similar spellings: integration vectors reprogramming papp microarray https~.
• Adding a wildcard symbol may retrieve word variants: integration vectors reprogramming papp microarray https*.