Perhaps you should try some spelling variations:
enseignement supervisory » enseignement superieur, l'enseignement superieur
supervisory policies » supervisory agencies, supervisory bodies, supervisory capacities
government canada » government capital, governments can, government case
government china » government capital, governance china

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

• Performing a fuzzy search may retrieve terms with similar spellings: enseignement supervisory policies ((government canada) OR (government china)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "enseignement supervisory policies ((government canada) OR (government china)).".
• Adding a wildcard symbol may retrieve word variants: enseignement supervisory policies ((government canada) OR (government china)).*.