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

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 programs stress.") or ("central asia research project success."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("central basic research programs stress.") OR ("central asia research project success.")).
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• Adding a wildcard symbol may retrieve word variants: (("central basic research programs stress.") or ("central asia research project success."))*.