Perhaps you should try some spelling variations:
intersection method » intersection methods, interaction method, intervention method
resource microforms » resources microforms
programs resource » program resource, programs source, programme resources
microforms https » microarrays https, microform its
method programs » methods program, method progress, method programmed

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

• Performing a fuzzy search may retrieve terms with similar spellings: intersection method programs resource microforms https~.
• Adding a wildcard symbol may retrieve word variants: intersection method programs resource microforms https*.