Perhaps you should try some spelling variations:
"search processing" » "speech processing", "batch processing", "search process"
"research projects" » "research project"
"search processor" » "search process", "search processes", "batch processor"
"research prozess" » "research process", "research progress", "research propels"

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: (((((("search processor") OR ("search processing"))) OR ("research prozess"))) OR ("research projects")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"search processor\") OR (\"search processing\"))) or (\"research prozess\"))) or (\"research projects\"))".
• Removing quotes may allow a broader search: (((((( search processor ) OR ( search processing ))) or ( research prozess ))) or ( research projects )).
• Adding a wildcard symbol may retrieve word variants: (((((("search processor") OR ("search processing"))) or ("research prozess"))) or ("research projects"))*.