Perhaps you should try some spelling variations:
"central asia research programme series." » "central asia research programs series.", "central asia research programme der.", "central asia research programsme series.", "central asia research projectme series.", "central basic research programme series.", "central media research programme series.", "central china research programme series."
"central asia research program sig." » "central asia research programs sig.", "central asia research project sig.", "central basic research program sig.", "central media research program sig.", "central china research program sig.", "central asia research program sct.", "central asia research program sme.", "central asia research program sri."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("central asia research programme series.") or ("central asia research program sig."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("central asia research programme series.") OR ("central asia research program sig."))*.
• Removing quotes may allow a broader search: (( central asia research programme series. ) or ( central asia research program sig. ))*.