Perhaps you should try some spelling variations:
"central basic research program success." » "central basic research programs success.", "central basic research project success.", "central bank research program success.", "central banks research program success.", "central asian research program success."
"central asia research program stress." » "central asia research programs stress.", "central asia research project stress.", "central asia research program synthesis.", "central cgiar research program stress.", "central a research program stress.", "central ii research program stress."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("central basic research program success.") or ("central asia research program stress."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("central basic research program success.") OR ("central asia research program stress.")).
• Removing quotes may allow a broader search: (( central basic research program success. ) or ( central asia research program stress. )).
• Adding a wildcard symbol may retrieve word variants: (("central basic research program success.") or ("central asia research program stress."))*.