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 case." » "central asia research project case.", "central asian research project case.", "central city research project case.", "central cgiar research projects case.", "central cgiar research project based.", "central cgiar research project cost."

Try widening your search to All Fields.

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

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