Perhaps you should try some spelling variations:
forestry sciences » forest science, forestry species, foreword science
forensic sciences » forensic science
forests science » forest science, forensic science, contents science

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((forests science) OR (forestry sciences))) OR (forensic sciences)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((forests science) OR (forestry sciences))) or (forensic sciences))".
• Adding a wildcard symbol may retrieve word variants: ((((forests science) OR (forestry sciences))) or (forensic sciences))*.