Perhaps you should try some spelling variations:
labor laboratory » laboratory laboratory, under laboratory, inter laboratory
cold working » color working, world working, word working
world spring » world shewing
cold spring » cold springs, cold spraying, cold forging

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: ((((cold spring) OR (cold working))) OR (((world spring) OR (world during)))) labor laboratory.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((cold spring) or (cold working))) or (((world spring) OR (world during)))) labor laboratory".
• Adding a wildcard symbol may retrieve word variants: ((((cold spring) or (cold working))) or (((world spring) OR (world during)))) labor laboratory*.