Perhaps you should try some spelling variations:
"canada research claire" » "canadian research claire", "canola research claire", "can research claire", "canada research claip", "canada research clara", "canada research chapitre"
"canada research care" » "canadian research care", "canola research care", "can research care", "canada research case", "canada research career", "canada researcher care"
"cancer research care" » "cancer research case", "cancer research career", "cancer researcher care"

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: (("canada research claire") OR ((("canada research care") OR ("cancer research care")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"canada research claire\") or (((\"canada research care\") OR (\"cancer research care\"))))".
• Removing quotes may allow a broader search: (( canada research claire ) or ((( canada research care ) OR ( cancer research care )))).
• Adding a wildcard symbol may retrieve word variants: (("canada research claire") or ((("canada research care") OR ("cancer research care"))))*.