Put your search requests in quotation marks to get a direct match, for example, "green growth" will find all occurrences of the entire phrase, while green growth without quotation marks will find all occurrences of the individual words.

You can fine-tune your search parameters by using + and -; big + "green growth" will find all hits for green growth containing the word big, while "green growth" - big, will exclude all hits for green growth containing the word big.