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