Here is the list of bonus resources if u match your nation resouces correctly:
Affluent Population - Increases population happiness +2. Requires Fine Jewelry, Fish, Furs, and Wine.
Asphalt - Decreases infrastructure upkeep cost -5%. Requires Construction, Oil, and Rubber.
Automobiles - Increases population happiness +3. Requires Asphalt and Steel.
Beer - Increases population happiness + 2. Requires Water, Wheat, Lumber, and Aluminum.
Construction - Reduces infrastructure cost -5% and raises the aircraft limit +10. Requires Lumber, Iron, Marble, Aluminum, and a technology level greater than 5.
Fast Food - Increases population happiness + 2. Requires Cattle, Sugar, Spices, and Pigs.
Fine Jewelry - Increases population happiness + 1.5. Requires Gold, Silver, Gems, and Coal.
Microchips - Reduces technology cost -8%, increases population happiness +2. Requires Gold, Lead, Oil, and a technology level greater than 10.
Radiation Cleanup - Removes 1 day of nuclear anarchy. Reduces global radiation effect on an individual nation -50% in CNT. Improves a nations environment by 10% in CN standard. Requires Construction, Microchips, Steel, and a technology level greater than 15.
Scholars - Increases population income +$3.00. Requires a literacy rate greater than 90%, Lumber, and Lead.
Steel - Reduces infrastructure cost -2%. Requires Coal and Iron.
You can use this Calculator to check the combinations of resourcers, their benefits, and the bonus resources that will lead you at.
http://www.cse.sc.edu/~temlyaka/CNCalc/cncalc.html
