Perhaps you should try some spelling variations:
"central cgiar research project aid." » "central asia research project aid.", "central asian research project aid.", "central city research project aid.", "central cgiar research project aims.", "central cgiar research project a.", "central cgiar research project area."
"central cgiar research project risk." » "central asia research project risk.", "central asian research project risk.", "central city research project risk."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"central cgiar research project aid.\") OR (\"central cgiar research project risk.\"))~".
• Removing quotes may allow a broader search: (( central cgiar research project aid. ) OR ( central cgiar research project risk. ))~.
• Adding a wildcard symbol may retrieve word variants: (("central cgiar research project aid.") OR ("central cgiar research project risk."))*.