If you have a clear idea in your head of what you’re looking for, you can use plus + and minus - signs to emphasize/deemphasize those specific keywords; together with parentheses () you can apply the weights on multiple keywords: ( your_words_here )+. You can add more +/- as in: (your_words_here)++ to apply even more emphasis to the word(s).
Prompt 1: “a koala- on top of a (big tree)+”
This prompt emphasizes the the phrase ‘big tree’.
Prompt 2: “a koala++ on top of a (big tree)-”
Instead, this prompt emphasizes the word koala.