Perhaps you should try some spelling variations:
"8.4 physician rostering" » "8.4 physician concerning", "8.4 physician shewing", "8.4 physician rating", "m.d physician rostering", "8.4 physical rostering", "14 physician rostering"
"8 physician rostering" » "8 physician concerning", "8 physician shewing", "8 physician rating", "_ physician rostering", "a physician rostering", "7 physician rostering"

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: "((\"8.4 physician rostering\") OR (\"8 physician rostering\"))".
• Removing quotes may allow a broader search: (( 8.4 physician rostering ) OR ( 8 physician rostering )).
• Adding a wildcard symbol may retrieve word variants: (("8.4 physician rostering") OR ("8 physician rostering"))*.