Perhaps you should try some spelling variations:
"central basic research program success." » "central basic research programs success.", "central basic research program stress.", "central based research program success.", "central bajio research program success.", "neutral basic research program success.", "central bank research program success."
"central asia research project stress." » "central asia research projects stress.", "central asia research project success.", "central asia research project surveys.", "central media research project stress.", "central china research project stress.", "central a research project 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 project stress."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("central basic research program success.") OR ("central asia research project stress.")).
• Removing quotes may allow a broader search: (( central basic research program success. ) or ( central asia research project stress. )).
• Adding a wildcard symbol may retrieve word variants: (("central basic research program success.") or ("central asia research project stress."))*.