Due to the fuzzy way language is used, one cannot simply compare 'go', 'clojure', or 'scala' search quantities directly. Not everybody refers to 'Go' as 'golang', 'scala' is a common noun in some languages, etc.
At best, you can reframe your query to remove unrelated topics completely, with searches like "golang" and "scala language", which will be proportional to the search popularity of the topics but only a fraction of actual searches (a different fraction for each searchterm, but stable over time), and compare their relative rates of growth rather than their absolute levels.
Comments
Due to the fuzzy way language is used, one cannot simply compare 'go', 'clojure', or 'scala' search quantities directly. Not everybody refers to 'Go' as 'golang', 'scala' is a common noun in some languages, etc.
At best, you can reframe your query to remove unrelated topics completely, with searches like "golang" and "scala language", which will be proportional to the search popularity of the topics but only a fraction of actual searches (a different fraction for each searchterm, but stable over time), and compare their relative rates of growth rather than their absolute levels.