Perhaps you should try some spelling variations:
programs compositional » program composition, program computational, problem compositional
microprogram https » microprogramming https, microprogramming http
code compression » model compression, cord compression, charge compression
file compression » pulse compression, image compression, nerve compression

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((code compression) OR (file compression)) programs compositional microprogram https~".
• Adding a wildcard symbol may retrieve word variants: ((code compression) OR (file compression)) programs compositional microprogram https*.