Perhaps you should try some spelling variations:
"major social participation in a developing metropolis:" » "major political participation in a developing metropolis:" (Expand Search), "major social stratification in a developing metropolis:" (Expand Search), "paper social participation in a developing metropolis:" (Expand Search), "war social participation in a developing metropolis:" (Expand Search), "major social participation in _ developing metropolis:" (Expand Search)
"major force participation in a developing metropolis:" » "major force participation in _ developing metropolis:" (Expand Search), "labor force participation in a developing metropolis:" (Expand Search), "labour force participation in a developing metropolis:" (Expand Search)

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: "((\"major social participation in a developing metropolis:\") OR (\"major force participation in a developing metropolis:\"))~".
• Removing quotes may allow a broader search: (( major social participation in a developing metropolis: ) OR ( major force participation in a developing metropolis: ))~.
• Adding a wildcard symbol may retrieve word variants: (("major social participation in a developing metropolis:") OR ("major force participation in a developing metropolis:"))*.