Perhaps you should try some spelling variations:
"algebra retrieval conference" » "algebra retrieval inference", "algebra retinal conference", "algebra retrieval preference", "algebra retrieving conference", "algebra rational conference"
"elgar original references" » "elgar origin references", "elgar marginal references", "elgar kriging references", "angr original references", "einer original references"
"elgar origins references" » "elgar origin references", "elgar horizons references", "elgar proteins references", "ear origins references", "stellar origins references", "celluar origins references"
"elgar resins references" » "elgar lesions references", "elgar designs references", "elgar results references", "ester resins references"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("algebra retrieval conference") OR ((("elgar original references") OR ((("elgar origins references") OR ("elgar resins references")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"algebra retrieval conference\") or (((\"elgar original references\") or (((\"elgar origins references\") OR (\"elgar resins references\"))))))".
• Removing quotes may allow a broader search: (( algebra retrieval conference ) or ((( elgar original references ) or ((( elgar origins references ) OR ( elgar resins references )))))).
• Adding a wildcard symbol may retrieve word variants: (("algebra retrieval conference") or ((("elgar original references") or ((("elgar origins references") OR ("elgar resins references"))))))*.